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Essentials of Anatomy & Physiology 6th Edition By Scanlon – Sanders – Test Bank 

 

Chapter 3 (MC): Cells

 

MULTIPLE CHOICE

 

  1. Which of these is NOT true of the cell membrane?
a. It selectively allows materials to enter the cell.
b. It forms the outer boundary of the cell.
c. It enables cells to respond to hormones.
d. It is made of protein, glucose, and cholesterol.

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 1

 

  1. The organic molecule in cell membranes that forms channels is:
a. protein c. phospholipids
b. cholesterol d. oligosaccharides

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 1

 

  1. The organic molecule in cell membranes that provides stability is:
a. protein c. phospholipids
b. cholesterol d. oligosaccharides

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 1

 

  1. The organic molecule in cell membranes that permits the diffusion of lipid-soluble materials is:
a. protein c. phospholipids
b. cholesterol d. oligosaccharides

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 1

 

  1. The organic molecule in cell membranes that forms self antigens attached to proteins is:
a. glucose c. phospholipids
b. cholesterol d. oligosaccharides

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 1

 

  1. The organic molecule in cell membranes that forms receptor sites for hormones is:
a. pentose sugar c. phospholipids
b. protein d. cholesterol

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 1

 

  1. The function of proteins in cell membranes is to:
a. form channels for transport
b. form receptor sites for hormones
c. both A and B
d. both A and B, and to be carrier enzymes

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 1

 

  1. Which statement is NOT true of the organic molecules of cell membranes?
a. Cholesterol forms carrier molecules.
b. Proteins form receptors.
c. Phospholipids make up the bilayer of the membrane.
d. Oligosaccharides are self antigens.

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 1

 

  1. The cell organelles that are the site of protein synthesis are the:
a. ribosomes c. lysosomes
b. mitochondria d. Golgi apparatus

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 2

 

  1. The cell organelle that synthesizes carbohydrates and secretes cell products is the:
a. mitochondria c. ribosomes
b. Golgi apparatus d. endoplasmic reticulum

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 2

 

  1. The cell organelles that are the site of ATP production are the:
a. ribosomes c. mitochondria
b. proteasomes d. endoplasmic reticulum

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 2

 

  1. The cell organelles that sweep materials across a surface are the:
a. flagella c. microvilli
b. lysosomes d. cilia

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 2

 

  1. The cell organelles that permit sperm cells to move are the:
a. flagella c. cilia
b. lysosomes d. microvilli

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 2

 

  1. The cell organelle that transports materials within a cell is the:
a. Golgi apparatus c. mitochondrion
b. endoplasmic reticulum d. ribosome

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 2

 

  1. The cell organelles that contain enzymes to digest ingested pathogens are the:
a. ribosomes c. lysosomes
b. mitochondria d. endoplasmic reticulum

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 2

 

  1. The cell organelles that break down damaged or misfolded proteins are the:
a. lysosomes c. ribosomes
b. proteasomes d. mitochondria

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 2

 

  1. The ribosomes are cell organelles that:
a. are the site of cell respiration c. transport materials within the cell
b. are the site of protein synthesis d. are the site of lipid synthesis

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 2

 

  1. The proteasomes are cell organelles that:
a. synthesize cellular proteins c. contain enzymes to destroy pathogens
b. destroy damaged proteins d. secrete cell products

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 2

 

  1. The mitochondria are cell organelles that:
a. are the site of protein synthesis
b. are the site of cell respiration
c. synthesize carbohydrates for energy storage
d. have enzymes to destroy pathogens

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 2

 

  1. Some human cells have cilia, which:
a. sweep materials across the cell surface
b. produce lipids for the cell membrane
c. increase the surface area of the membrane
d. produce proteins for the cell membrane

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 2

 

  1. The endoplasmic reticulum is a cell organelle that:
a. is a series of membrane tunnels
b. transports material within a cell
c. both A and B
d. both A and B, and may have ribosomes on its surface

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 2

 

  1. The lysosomes are cell organelles that contain enzymes for:
a. protein synthesis
b. cell respiration
c. synthesis of lipids for the cell membrane
d. digesting pathogens that enter the cell

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 2

 

  1. Which statement is NOT true of the cell organelles?
a. Intracellular transport channels are formed by the endoplasmic reticulum.
b. Lysosomes secrete cellular products.
c. Ribosomes are found on the surface of rough endoplasmic reticulum.
d. Cilia sweep materials over the surface of a cell.

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 2

 

  1. Which statement is NOT true of the cell organelles?
a. The Golgi apparatus synthesizes carbohydrates.
b. The endoplasmic reticulum synthesizes lipids.
c. The mitochondria synthesize ATP.
d. The proteasomes synthesize new ribosomes.

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 2

 

  1. The nucleus is the control center of the cell because it contains:
a. all of the enzymes of the cell
b. DNA in the chromosomes
c. RNA to synthesize the DNA of the cell
d. RNA in the chromosomes

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 3

 

  1. Chromosomes are made of ___ and are found in the ___ of cells.
a. DNA/nucleus c. proteins/cytoplasm
b. RNA/nucleus d. DNA/cytoplasm

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 3

 

  1. The genetic instructions for a cell’s functions are contained in the:
a. RNA in the chromosomes in the nucleus
b. RNA in the enzymes in the cytoplasm
c. DNA in the enzymes in the cytoplasm
d. DNA in the chromosomes in the nucleus

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 3

 

  1. The transport of materials through a membrane with the help of carrier enzymes is called:
a. facilitated diffusion c. active transport
b. diffusion d. osmosis

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 4

 

  1. Facilitated diffusion depends on:
a. the cholesterol in the cell membrane
b. transporters that are part of the cell membrane
c. the Golgi apparatus within the cell
d. the endoplasmic reticulum within the cell

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 4

 

  1. The process of facilitated diffusion is important to:
a. permit exchange of gases in the lungs
b. enable cells to take in water
c. enable most body cells to take in glucose
d. permit cells to secrete their products

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 4

 

  1. Most cells take in glucose by the process of:
a. diffusion c. osmosis
b. facilitated diffusion d. pinocytosis

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 4

 

  1. The movement of water and dissolved materials through a membrane from an area of high pressure to an area of lower pressure is called:
a. diffusion c. active transport
b. osmosis d. filtration

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 5

 

  1. The energy for the process of filtration is provided by:
a. the ATP within cells
b. the free energy of molecules
c. blood pressure in capillaries
d. a concentration gradient of dissolved materials

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 5

 

  1. Blood pressure provides the energy for the transport process of:
a. osmosis c. active transport
b. filtration d. facilitated diffusion

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 5

 

  1. The process of filtration is important to:
a. permit exchange of gases in body tissues
b. form tissue fluid and bring nutrients to tissues
c. enable cells to excrete water
d. none of these

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 5

 

  1. The process of filtration is important to:
a. form urine in the kidneys c. enable cells to take in small proteins
b. enable cells to take in glucose d. none of these

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 5

 

  1. Tissue fluid is formed by the process of:
a. diffusion c. osmosis
b. facilitated diffusion d. filtration

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 5

 

  1. The first step in the formation of urine by the kidneys is the process of:
a. filtration c. facilitated diffusion
b. osmosis d. diffusion

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 5

 

  1. The movement of molecules from an area of greater concentration to an area of lesser concentration is called:
a. active transport c. pinocytosis
b. diffusion d. filtration

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 6

 

  1. The energy for diffusion is provided by:
a. blood pressure in capillaries
b. ATP within cells
c. the free energy, or natural movement of molecules
d. carrier enzymes in cell membranes

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 6

 

  1. The process of diffusion is important to:
a. form tissue fluid
b. enable WBCs to ingest pathogens
c. permit cells to take in glucose and amino acids
d. permit gas exchange in the lungs

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 6

 

  1. Oxygen and carbon dioxide are exchanged in tissues by the process of:
a. diffusion c. osmosis
b. facilitated diffusion d. filtration

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 6

 

  1. The movement of molecules from an area of lesser concentration to an area of greater concentration is called:
a. diffusion c. active transport
b. filtration d. facilitated diffusion

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 7

 

  1. The energy for active transport is provided by:
a. blood pressure in capillaries
b. the natural movement of molecules, or free energy
c. carrier enzymes in cell membranes
d. ATP produced in the cell

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 7

 

  1. ATP provides the energy for the cellular transport process of:
a. osmosis c. facilitated diffusion
b. filtration d. active transport

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 7

 

  1. The process of active transport is important to:
a. enable cells of the small intestine to absorb glucose and amino acids
b. permit exchange of gases in body tissues
c. enable cells of the kidneys to reabsorb small proteins
d. enable WBCs to ingest pathogens

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 7

 

  1. The cells of the small intestine absorb glucose and amino acids by the process of:
a. active transport c. pinocytosis
b. diffusion d. phagocytosis

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 7

 

  1. The sodium pumps of nerve cells rely on the process of:
a. diffusion c. active transport
b. facilitated diffusion d. filtration

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 7

 

  1. The diffusion of water through a selectively permeable membrane is called:
a. filtration c. pinocytosis
b. osmosis d. active transport

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 8

 

  1. The process of osmosis involves:
a. the movement of glucose through a membrane
b. the movement of water to an area of lower salt concentration
c. the diffusion of water through a membrane
d. the movement of salts to an area of more water

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 8

 

  1. The process of osmosis is important to:
a. bring oxygen to cells c. form tissue fluid
b. permit the lungs to excrete water d. permit the kidneys to reabsorb water

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 8

 

  1. The small intestine absorbs water by the process of:
a. facilitated diffusion c. osmosis
b. active transport d. filtration

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 8

 

  1. Which statement is NOT true of cellular transport processes?
a. Active transport requires ATP.
b. Diffusion depends upon the natural movement of molecules.
c. Osmosis is the diffusion of water.
d. Pinocytosis depends upon carrier enzymes.

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 8

 

  1. Which statement is NOT true of cellular transport processes?
a. Tissue fluid is formed by osmosis.
b. The kidneys reabsorb water by osmosis.
c. Phagocytosis is a process used by WBCs.
d. The small intestine absorbs amino acids by active transport.

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 8

 

  1. The cells of the small intestine receive oxygen by ___, absorb glucose by ___, and absorb water by ___.
a. osmosis/active transport/filtration c. diffusion/pinocytosis/filtration
b. diffusion/active transport/osmosis d. osmosis/facilitated diffusion/diffusion

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 8

 

  1. The cells of the kidney release carbon dioxide by the process of ___, reabsorb water by ___, and reabsorb small proteins by ___.
a. osmosis/filtration/pinocytosis c. diffusion/osmosis/pinocytosis
b. osmosis/diffusion/active transport d. diffusion/filtration/active transport

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 8

 

  1. If human cells are placed in a hypertonic solution, they will:
a. shrivel c. remain the same
b. swell and burst d. none of these

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 9

 

  1. If human cells are placed in a hypotonic solution, they will:
a. shrivel c. remain the same
b. swell and burst d. none of these

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 9

 

  1. If human cells are placed in an isotonic solution, they will:
a. shrivel c. remain the same
b. swell and burst d. none of these

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 9

 

  1. Human cells will lose water and shrivel if they are placed in a ___ solution.
a. neutral c. hypotonic
b. isotonic d. hypertonic

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 9

 

  1. Human cells will absorb water and swell and burst if they are placed in a ___ solution.
a. neutral c. hypotonic
b. isotonic d. hypertonic

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 9

 

  1. The water of blood plasma and the water inside RBCs are solutions that are ___ to each other.
a. neutral c. hypotonic
b. isotonic d. hypertonic

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 9

 

  1. A solution with a greater salt concentration than cells is said to be:
a. hypertonic c. isotonic
b. hypotonic d. ginantonic

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 9

 

  1. A solution with a lesser salt concentration than cells is said to be:
a. hypertonic c. isotonic
b. hypotonic d. ginantonic

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 9

 

  1. A solution with the same salt concentration as cells is said to be:
a. hypertonic c. isotonic
b. hypotonic d. ginantonic

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 9

 

  1. Which statement is NOT true of human cells and solutions?
a. An isotonic solution has the same salt concentration as cells.
b. A hypotonic solution has a lower salt concentration than cells.
c. Human cells in a hypertonic solution will shrivel.
d. Human cells in a hypotonic solution will lose water.

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 9

 

  1. The absorption of small particles by stationary cells is called:
a. phagocytosis c. active transport
b. pinocytosis d. filtration

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 10

 

  1. The process of pinocytosis is important to:
a. enable the kidneys to reabsorb small proteins
b. permit absorption of glucose by cells
c. permit gas exchange in tissues
d. bring nutrients to cells in tissue fluid

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 10

 

  1. Cells of the kidney tubules are able to reabsorb small proteins by the process of:
a. facilitated diffusion c. active transport
b. phagocytosis d. pinocytosis

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 10

 

  1. The engulfing of something by a moving cell is called:
a. pinocytosis c. phagocytosis
b. active transport d. facilitated diffusion

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 10

 

  1. The process of phagocytosis is important to:
a. enable the kidneys to reabsorb water
b. enable WBCs to ingest pathogens
c. enable the kidneys to reabsorb small proteins
d. enable cells to take in glucose

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 10

 

  1. White blood cells are able to ingest or engulf pathogens by the process of:
a. phagocytosis c. pinocytosis
b. active transport d. diffusion

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 10

 

  1. White blood cells digest pathogens by the process of ___, and the pathogens are digested by the ___ in the cell.
a. pinocytosis/mitochondria c. pinocytosis/Golgi apparatus
b. phagocytosis/ribosomes d. phagocytosis/lysosomes

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 10

 

  1. Most human cells have ___ chromosomes, which contain ___, the hereditary material.
a. 23/DNA c. 23/protein
b. 46/RNA d. 46/DNA

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 11

 

  1. The human diploid number of chromosomes is:
a. 50 c. 23
b. 46 d. 25

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 11

 

  1. Most human cells have ___ chromosomes, which is the ___ number.
a. 46/diploid c. 46/haploid
b. 23/haploid d. 23/diploid

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 11

 

  1. The human cells that have no chromosomes are:
a. white blood cells c. mature red blood cells
b. immature egg and sperm cells d. mature nerve cells

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 11

 

  1. The human haploid number of chromosomes is:
a. 50 c. 23
b. 46 d. 25

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 11

 

  1. Which statement is NOT true of human chromosomes?
a. They are made of DNA and protein.
b. The DNA makes up the genes.
c. Mature RBCs have no chromosomes.
d. The diploid number is 43.

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 11

 

  1. In mitosis, the pairs of chromatids line up on the equator of the cell during:
a. prophase c. anaphase
b. metaphase d. telophase

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 12

 

  1. In mitosis, the nuclear membrane re-forms around each new set of chromosomes during:
a. prophase c. anaphase
b. metaphase d. telophase

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 12

 

  1. In mitosis, the spindle fibers pull the sets of chromosomes toward the opposite poles of the cell during:
a. prophase c. anaphase
b. metaphase d. telophase

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 12

 

  1. In mitosis, the chromosomes become visible as short rods during:
a. prophase c. anaphase
b. metaphase d. telophase

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 12

 

  1. The time between mitotic divisions, when the chromosomes duplicate themselves, is called:
a. cytokinesis c. copyphase
b. interphase d. cytogenesis

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 12

 

  1. In mitosis, the division of the cytoplasm follows ___ and is called ___.
a. anaphase/lysis c. anaphase/cytokinesis
b. telophase/lysis d. telophase/cytokinesis

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 12

 

  1. Before mitosis can take place, what must happen?
a. The cytoplasm must begin to divide.
b. RNA must copy DNA to make new chromosomes.
c. DNA replication must create two sets of chromosomes.
d. Protein synthesis must make another set of chromosomes.

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 12

 

  1. Which statement is NOT true of the stages of mitosis?
a. The chromosomes duplicate themselves during prophase.
b. During telophase, two nuclei re-form.
c. During anaphase, the chromosomes are pulled toward the poles of the cell.
d. The chromosomes line up on the cell equator during metaphase.

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 12

 

  1. Frequent mitosis is important to the body for all of these except:
a. production of new muscle cells c. replacing the stomach lining
b. production of new RBCs d. replacing the outer layer of skin

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 13

 

  1. Human cells that seem to be unable to undergo extensive mitosis are:
a. muscle cells c. both of these
b. nerve cells d. neither of these

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 13

 

  1. Cells that have the potential to divide and become any of several kinds of cells are known as:
a. uncommitted cells c. plain cells
b. stem cells d. branch cells

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 13

 

  1. Stem cells have the capability to:
a. become any one of several kinds of cells
b. produce more ATP than other cells
c. synthesize DNA from RNA
d. synthesize protein directly from DNA

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 13

 

  1. Meiosis is important to the body for:
a. production of RBCs
b. production of egg and sperm cells with the diploid number of chromosomes
c. production of new skin cells
d. production of egg and sperm cells with the haploid number of chromosomes

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 13

 

  1. Meiosis takes place in the:
a. ovaries or testes
b. red bone marrow
c. outer layer of skin
d. throughout the body in all cells capable of dividing

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 13

 

  1. Spermatogenesis is the name for ___ that takes place in the ___.
a. mitosis/testes c. meiosis/testes
b. mitosis/ovaries d. meiosis/ovaries

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 13

 

  1. Oogenesis is the name for ___ that takes place in the ___.
a. mitosis/testes c. meiosis/testes
b. mitosis/ovaries d. meiosis/ovaries

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 13

 

  1. Which statement is NOT true of meiosis?
a. Egg and sperm cells are produced.
b. Spermatogenesis is meiosis in the testes.
c. The cells produced are haploid.
d. Oogenesis is meiosis in the uterus.

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 13

 

  1. The process of mitosis produces ___ cells, each with the ___ number of chromosomes.
a. 2/diploid c. 4/diploid
b. 2/haploid d. 4/haploid

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 14

 

  1. Mitosis involves ___ division(s) to produce ___ cells.
a. two/two c. two/four
b. one/two d. one/four

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 14

 

  1. In the cell cycle, a cell may undergo apoptosis, which means:
a. the cell will divide very rapidly
b. the cell will divide more slowly
c. the cell will merge with a neighboring cell
d. the cell will destroy itself and die

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 14

 

  1. The process of meiosis produces ___ cells, each with the ___ number of chromosomes.
a. 2/diploid c. 4/diploid
b. 2/haploid d. 4/haploid

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 14

 

  1. Meiosis involves ___ division(s) to produce ___ cells.
a. two/two c. two/four
b. one/two d. one/four

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 14

 

  1. Which statement is NOT true of mitosis and meiosis?
a. Mitosis involves one division producing two cells.
b. Meiosis produces haploid cells.
c. Mitosis produces diploid cells.
d. Meiosis involves two divisions producing two cells.

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 14

 

  1. Which statement is NOT true of protein synthesis?
a. The sites of protein synthesis are the mitochondria of cells.
b. Three bases on the DNA are the code for one amino acid.
c. The genetic code of DNA is copied by mRNA.
d. tRNA molecules carry the amino acids to their proper places on the mRNA.

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 15

 

  1. Which statement is NOT true of protein synthesis?
a. Transcription is the copying of DNA by mRNA.
b. The sites of protein synthesis are the ribosomes in the cytoplasm.
c. A codon is a three-base code for an amino acid.
d. Translation is the copying of mRNA by tRNA.

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 15

 

  1. In protein synthesis, the original genetic code is found in the:
a. mRNA c. ribosomes
b. DNA d. tRNA

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 15

 

  1. In protein synthesis, the genetic code of DNA is copied by:
a. mRNA c. amino acids
b. tRNA d. ribosomes

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 15

 

  1. In protein synthesis, the amino acids are brought to the mRNA by:
a. enzymes c. DNA
b. ribosomes d. tRNA

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 15

 

  1. The cell organelles on which protein synthesis takes place are the:
a. mitochondria c. Golgi apparatus
b. ribosomes d. lysosomes

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 15

 

  1. The genetic code is a triplet code, which means that:
a. three bases on the DNA are the code for one amino acid
b. three pieces of DNA are the code for one protein
c. three bases on the DNA are the code for one protein
d. three chromosomes are the code for each protein

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 15

 

  1. The term codon refers to the:
a. three pieces of DNA that are the code for a protein
b. three amino acids that make up a protein
c. three bases on the DNA that are the code for one amino acid
d. three bases on the tRNA that complement those on the mRNA

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 15

 

  1. The term anticodon refers to the:
a. three pieces of DNA that are the code for a protein
b. three amino acids that make up a protein
c. three bases on the DNA that are the code for one amino acid
d. three bases on the tRNA that complement those on the mRNA

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 15

 

  1. The cell organelles that form peptide bonds between amino acids are the:
a. mitochondria c. endoplasmic reticulum
b. lysosomes d. ribosomes

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 15

 

  1. In protein synthesis, a function of ribosomes is to:
a. copy the gene from DNA
b. form peptide bonds between amino acids
c. copy the gene from mRNA
d. attach amino acids to tRNA

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 15

 

  1. In protein synthesis, the copying of a DNA gene by mRNA is called:
a. transduction c. transfusion
b. transcription d. translation

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 15

 

  1. In protein synthesis, the lining up of amino acids according to the codons on the mRNA is called:
a. transduction c. transfusion
b. transcription d. translation

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 15

 

  1. If a DNA triplet is GAC, the corresponding mRNA triplet will be:
a. GAC c. GUG
b. ATG d. CUG

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 15

 

  1. If a DNA triplet is TTC, the corresponding mRNA triplet will be:
a. UUG c. AAG
b. AAC d. UUC

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 15

 

  1. If a DNA triplet is ATG, the corresponding mRNA triplet will be ___, and the corresponding tRNA triplet will be ___.
a. TAC/TAC c. UAG/ATC
b. UUC/AAG d. UAC/AUG

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 15

 

Chapter 13 (MC): The Vascular System

 

MULTIPLE CHOICE

 

  1. The layer in the wall of an artery that is smooth to prevent abnormal clotting is the:
a. outer layer of fibrous connective tissue
b. simple squamous epithelial lining
c. middle layer of smooth muscle and elastic connective tissue
d. smooth muscle lining

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 1

 

  1. The layer in the wall of an artery that prevents rupture of the artery is the:
a. outer layer of fibrous connective tissue
b. simple squamous epithelial lining
c. middle layer of smooth muscle and elastic connective tissue
d. smooth muscle lining

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 1

 

  1. The layer in the wall of an artery that helps maintain blood pressure is the:
a. outer layer of fibrous connective tissue
b. simple squamous epithelial lining
c. middle layer of smooth muscle and elastic connective tissue
d. smooth muscle lining

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 1

 

  1. The function of the lining of an artery is to:
a. help maintain BP by raising it c. help maintain BP by lowering it
b. prevent abnormal clotting d. keep the blood moving

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 1

 

  1. The function of the middle layer of an artery is to:
a. help maintain BP
b. prevent rupture
c. both A and B
d. both A and B, and to prevent abnormal clotting

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 1

 

  1. The function of the outer layer of an artery is to:
a. help maintain BP
b. prevent rupture
c. both A and B
d. both A and B, and to anchor the artery in place

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 1

 

  1. The tissues of the wall of an artery or vein, in order from innermost to outermost, are:
a. smooth muscle, simple squamous epithelium, elastic connective tissue
b. simple squamous epithelium, smooth muscle, fibrous connective tissue
c. fibrous connective tissue, smooth muscle, simple squamous epithelium
d. smooth muscle, fibrous connective tissue, elastic connective tissue

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 1

 

  1. The layer in the wall of a vein that is folded into valves is the:
a. lining c. outer layer
b. middle layer d. smooth muscle layer

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 1

 

  1. In veins, the outer layer is thinner than in arteries because:
a. blood will not clot in veins
b. the blood pressure in veins is so low that rupture is unlikely
c. it has to help prevent backflow of blood
d. blood pressure is high in veins

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 1

 

  1. The function of valves in veins is to:
a. help pump blood c. prevent blood from flowing too fast
b. keep the blood moving d. prevent backflow of blood

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 1

 

  1. The function of the lining in both arteries and veins is to:
a. prevent abnormal clotting c. help maintain blood pressure
b. prevent backflow of blood d. prevent the blood from flowing too fast

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 1

 

  1. Which statement is NOT true of the structure of arteries and veins?
a. The outer layer is fibrous connective tissue that prevents rupture of arteries.
b. The smooth muscle layer helps regulate blood pressure.
c. The epithelial lining is smooth to prevent abnormal clotting.
d. Valves in veins are made of smooth muscle to help keep the blood moving.

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 1

 

  1. An anastomosis in the vascular system is a connection between:
a. two arteries or two veins c. arteries and capillaries
b. two capillaries d. veins and capillaries

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 2

 

  1. Anastomoses are important if a blood vessel becomes blocked because they:
a. exert force to remove the blockage
b. exchange materials between blood and tissues
c. help prevent an increase in blood pressure
d. provide other pathways for the flow of blood

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 2

 

  1. An arterial anastomosis is important because it:
a. provides another pathway for blood to return to the heart
b. provides another pathway for blood to leave the capillaries of an organ
c. provides another pathway for blood to get to the capillaries of an organ
d. exchanges materials between blood and tissues

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 2

 

  1. A venous anastomosis is important because it:
a. provides another pathway for blood to leave the heart
b. provides another pathway for blood to return to the heart
c. provides another pathway for blood to get to the capillaries of an organ
d. exchanges materials between blood and tissues

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 2

 

  1. The tissue of which capillaries are made is:
a. simple squamous epithelium c. fibrous connective tissue
b. smooth muscle d. elastic connective tissue

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 3

 

  1. Capillaries are made of simple squamous epithelium because this tissue is:
a. strong, to resist high blood pressure c. elastic, to prevent ruptures
b. thin, to permit exchanges of materials d. thick, to prevent leaking

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 3

 

  1. Blood flow into capillary networks is regulated by:
a. precapillary sphincters made of fibrous connective tissue
b. postcapillary sphincters made of fibrous connective tissue
c. precapillary sphincters made of smooth muscle
d. postcapillary sphincters made of smooth muscle

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 3

 

  1. In capillaries, oxygen and carbon dioxide are exchanged by the process of:
a. osmosis c. filtration
b. phagocytosis d. diffusion

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 3

 

  1. In capillaries, nutrients dissolved in plasma are brought to tissues by the process of:
a. filtration c. osmosis
b. diffusion d. phagocytosis

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 3

 

  1. In capillaries, waste products dissolved in tissue fluid are returned to the blood by the process of:
a. diffusion c. filtration
b. osmosis d. phagocytosis

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 3

 

  1. In capillaries, diffusion is the process by which:
a. nutrients are brought to tissues c. hormones exert their effects
b. waste products are brought to tissues d. gases are exchanged

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 3

 

  1. In capillaries, filtration is the process by which:
a. nutrients are brought to tissues
b. waste products are brought into the blood
c. gases are exchanged
d. A and B only

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 3

 

  1. In capillaries, osmosis is the process by which:
a. tissue fluid is formed c. hormones exert their effects
b. tissue fluid flows into capillaries d. A and B only

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 3

 

  1. Which of the following does NOT have capillary networks?
a. bone c. cartilage
b. skeletal muscle d. dermis of the skin

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 3

 

  1. Which of the following does NOT have capillary networks?
a. fibrous connective tissue c. the iris of the eye
b. the epidermis d. adipose tissue

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 3

 

  1. Capillaries carry blood from:
a. arteries to arterioles c. venules to arterioles
b. veins to the heart d. arterioles to venules

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 3

 

  1. Which statement is NOT true of capillaries?
a. They are made of simple squamous epithelium that is thin.
b. Their function is to exchange materials between the blood and the tissue fluid (or cells).
c. Gases are exchanged by the process of osmosis.
d. They are found in networks in most tissues.

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 3

 

  1. Arteries carry blood from:
a. capillaries to the heart c. veins to the heart
b. veins to capillaries d. the heart to capillaries

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 4

 

  1. Veins carry blood from:
a. arteries to capillaries c. capillaries to arteries
b. the heart to capillaries d. capillaries to the heart

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 4

 

  1. Which artery is NOT paired with the part of the body to which it supplies blood?
a. radial – forearm c. brachial – shoulder
b. anterior tibial – lower leg d. femoral – thigh

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 4

 

  1. Which artery is NOT paired with the part of the body to which it supplies blood?
a. superior mesenteric – spleen c. gastric – stomach
b. bronchial – bronchial tubes d. hepatic – liver

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 4

 

  1. Which vein is NOT paired with the part of the body it drains of blood?
a. external jugular – neck c. subclavian – shoulder
b. common iliac – forearm d. popliteal – knee

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 4

 

  1. Which vein is NOT paired with the part of the body it drains of blood?
a. renal – kidney c. ulnar – forearm
b. great saphenous – lower limb d. axillary – abdominal organs

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 4

 

  1. Put the parts of the aorta in the proper sequence, beginning at the left ventricle:
  2. abdominal aorta
  3. aortic arch
  4. ascending aorta
  5. thoracic aorta
a. 3, 2, 4, 1 c. 4, 3, 1, 2
b. 2, 3, 1, 4 d. 1, 4, 2, 3

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 4

 

  1. All of these arteries are branches of the thoracic aorta except the:
a. intercostal arteries c. esophageal arteries
b. hepatic artery d. bronchial arteries

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 4

 

  1. All of these arteries are branches of the abdominal aorta except the:
a. celiac artery c. pericardial arteries
b. inferior mesenteric artery d. lumbar arteries

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 4

 

  1. The intercostal arteries are branches of the:
a. aortic arch c. ascending aorta
b. abdominal aorta d. thoracic aorta

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 4

 

  1. The superior mesenteric artery is a branch of the:
a. aortic arch c. ascending aorta
b. abdominal aorta d. thoracic aorta

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 4

 

  1. Which statement is NOT true of the circle of Willis?
a. It is an arterial anastomosis.
b. The vertebral arteries contribute to it.
c. It ensures a sufficient blood supply to the brain.
d. The external carotid arteries contribute to it.

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 4

 

  1. Blood from the digestive organs and spleen flows into the liver through the:
a. inferior vena cava c. hepatic artery
b. portal vein d. hepatic vein

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 5

 

  1. In portal circulation, blood from the ___ flows through the liver before returning to the ___.
a. digestive organs and spleen/heart c. heart/digestive organs and spleen
b. heart/lungs d. lungs/heart

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 5

 

  1. The purpose of hepatic portal circulation is to enable the liver to:
a. regulate blood pressure by increasing it
b. remove waste products from the blood and excrete them in urine
c. increase venous return to the heart
d. regulate blood levels of nutrients and other substances

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 5

 

  1. Which of these is NOT an example of the purpose of hepatic portal circulation?
a. regulation of blood glucose level
b. removal of bilirubin from the blood for excretion
c. regulation of blood pressure
d. removal of iron from the blood for storage

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 5

 

  1. In pulmonary circulation, blood is pumped to the lungs by the:
a. left ventricle c. left atrium
b. right ventricle d. right atrium

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 6

 

  1. The purpose of pulmonary circulation is to:
a. take blood to and from the lungs for gas exchange
b. take blood to the body to supply oxygen
c. regulate blood pressure in the lungs and body
d. regulate blood flow and oxygen in systemic capillaries

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 6

 

  1. Which of the following is the correct pathway of pulmonary circulation?
a. left ventricle to lungs to left atrium c. right ventricle to lungs to right atrium
b. left ventricle to lungs to right atrium d. right ventricle to lungs to left atrium

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 6

 

  1. Blood pressure in the pulmonary circulation and capillaries is:
a. always high, to get sufficient oxygen into the blood
b. always high, to get carbon dioxide out of the alveoli
c. always low, to prevent rupture
d. always low, to prevent filtration and accumulation of fluid in the alveoli

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 6

 

  1. The fetal structure that permits blood to flow from the right atrium to the left atrium is the:
a. foramen ovale c. ductus venosus
b. ductus arteriosus d. foramen magnum

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 7

 

  1. The fetal structure that permits blood to flow from the pulmonary artery to the aorta is the:
a. foramen ovale c. ductus venosus
b. ductus arteriosus d. foramen magnum

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 7

 

  1. The fetal structure that permits blood to flow from the umbilical vein to the inferior vena cava is the:
a. foramen magnum c. ductus venosus
b. foramen ovale d. ductus arteriosus

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 7

 

  1. In the fetus, the foramen ovale permits blood to flow:
a. from the right atrium to the left atrium
b. from the left atrium to the right atrium
c. from the right ventricle to the left ventricle
d. from the left ventricle to the right ventricle

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 7

 

  1. In the fetus, the ductus arteriosus permits blood to flow:
a. from the pulmonary artery to the aorta
b. from the aorta to the pulmonary artery
c. from the pulmonary artery to the pulmonary vein
d. from the aorta to the pulmonary vein

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 7

 

  1. In the fetus, the ductus venosus permits blood to flow:
a. from the umbilical vein to the inferior vena cava
b. from the umbilical artery to the superior vena cava
c. from the umbilical vein to the superior vena cava
d. from the umbilical artery to the inferior vena cava

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 7

 

  1. The purpose of the foramen ovale and the ductus arteriosus is to:
a. permit most blood to bypass the fetal liver
b. permit most blood to flow through the fetal lungs
c. permit most blood to flow through the fetal liver
d. permit most blood to bypass the fetal lungs

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 7

 

  1. In fetal circulation, most blood bypasses the fetal lungs by way of the:
a. foramen ovale and ductus venosus c. umbilical vein and ductus arteriosus
b. ductus venosus and umbilical vein d. ductus arteriosus and foramen ovale

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 7

 

  1. Exchanges between fetal blood and maternal blood take place in the:
a. placenta c. ductus venosus
b. umbilical arteries d. umbilical vein

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 7

 

  1. Blood flows from the fetus to the placenta through the:
a. ductus venosus c. umbilical vein
b. umbilical arteries d. ductus arteriosus

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 7

 

  1. Blood flows from the placenta to the fetus through the:
a. ductus venosus c. umbilical vein
b. umbilical arteries d. ductus arteriosus

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 7

 

  1. Which statement is NOT true of fetal circulation?
a. The foramen ovale permits blood to bypass the fetal liver.
b. The umbilical arteries take blood from the fetus to the placenta.
c. The ductus arteriosus permits blood to bypass the fetal lungs.
d. The placenta is the site of exchanges between maternal blood and fetal blood.

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 7

 

  1. Which statement is NOT true of fetal circulation?
a. Blood in the umbilical vein is high in oxygen.
b. The ductus venosus takes blood to the umbilical vein.
c. Fetal blood flows from the right atrium to the left atrium through the foramen ovale.
d. The placenta contains both fetal and maternal vessels.

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 7

 

  1. Which of these is NOT a mechanism that increases venous return?
a. more forceful contraction of the right ventricle
b. the respiratory pump
c. the skeletal muscle pump
d. constriction of the veins themselves

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 8

 

  1. The skeletal muscle pump is an important mechanism for venous return in the:
a. cranial venous sinuses c. superior vena cava
b. veins of the legs d. jugular veins

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 8

 

  1. Veins are able to constrict and increase venous return because of their:
a. smooth muscle receiving parasympathetic impulses
b. valves receiving parasympathetic impulses
c. smooth muscle receiving sympathetic impulses
d. valves receiving sympathetic impulses

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 8

 

  1. The respiratory pump is an important mechanism for venous return for the:
a. jugular veins c. veins of the legs
b. veins of the arms d. veins in the thoracic cavity

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 8

 

  1. Venous return is important to:
a. return blood to the heart to maintain cardiac output
b. return blood to the tissues to prevent overworking the heart
c. return blood to the heart to keep blood pressure low
d. return blood to the tissues to supply sufficient oxygen

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 8

 

  1. Which statement is NOT true of venous return?
a. The respiratory pump increases venous return in the veins of the chest cavity.
b. Walking increases venous return in the legs.
c. The smooth muscle of veins enables them to constrict and increase venous return.
d. If venous return decreases, cardiac output will increase to compensate.

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 8

 

  1. Which statement is true of the effect of the elasticity of the large arteries on BP?
a. It lowers diastolic BP and raises systolic BP.
b. It lowers systolic BP and raises diastolic BP.
c. It lowers both systolic and diastolic BP.
d. It raises both systolic and diastolic BP.

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 9

 

  1. The large arteries have elastic connective tissue in their ___ layer, which is important to ___.
a. middle/help regulate blood pressure c. outer/help regulate blood pressure
b. outer/help prevent backflow of blood d. middle/help prevent backflow of blood

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 9

 

  1. If the large arteries lose their elasticity, systolic BP will be:
a. lower than normal c. erratic and constantly changing
b. higher than normal d. unpredictable

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 9

 

  1. Starling’s law of the heart says that when cardiac muscle fibers are stretched, they will:
a. contract more forcefully c. contract more rapidly
b. contract less forcefully d. contract more slowly

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 10

 

  1. When venous return increases, the heart contracts more forcefully. This is called:
a. Starling’s law of the heart, and it decreases cardiac output
b. the venous reflex, and it decreases cardiac output
c. Starling’s law of the heart, and it increases cardiac output
d. the venous reflex, and it increases cardiac output

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 10

 

  1. The hormone that raises blood pressure by increasing the heart rate is:
a. epinephrine c. ADH
b. ANP d. aldosterone

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 11

 

  1. The hormone that raises blood pressure by causing vasoconstriction throughout the body is:
a. ADH c. ANP
b. norepinephrine d. aldosterone

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 11

 

  1. The hormone that raises blood pressure by increasing the reabsorption of water by the kidneys is:
a. epinephrine c. ADH
b. ANP d. norepinephrine

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 11

 

  1. The hormone that lowers blood pressure by increasing the excretion of sodium and water by the kidneys is:
a. ADH c. norepinephrine
b. aldosterone d. ANP

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 11

 

  1. The hormone that raises blood pressure by increasing the reabsorption of sodium and water by the kidneys is:
a. aldosterone c. ANP
b. epinephrine d. ADH

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 11

 

  1. The effect of the hormone ADH on blood pressure is to:
a. raise it by increasing blood volume c. lower it by causing vasoconstriction
b. lower it by decreasing blood volume d. raise it by causing vasodilation

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 11

 

  1. The effect of the hormone aldosterone on blood pressure is to:
a. raise it by causing vasoconstriction c. raise it by increasing blood volume
b. lower it by decreasing blood volume d. lower it by causing vasodilation

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 11

 

  1. The effect of the hormone ANP on blood pressure is to:
a. raise it by causing vasoconstriction c. raise it by increasing blood volume
b. lower it by decreasing blood volume d. lower it by causing vasodilation

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 11

 

  1. The effect of the hormone norepinephrine on blood pressure is to:
a. raise it by causing vasoconstriction c. lower it by causing vasoconstriction
b. raise it by causing vasodilation d. lower it by causing vasodilation

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 11

 

  1. Which of these hormones does NOT have an effect on blood pressure?
a. ADH c. epinephrine
b. PTH d. aldosterone

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 11

 

  1. Which statement is NOT true of the effects of hormones on blood pressure?
a. Epinephrine increases heart rate and raises BP.
b. ANP increases urinary excretion of sodium and water and lowers BP.
c. Norepinephrine causes vasoconstriction and lowers BP.
d. Aldosterone increases sodium and water reabsorption by the kidneys and raises BP.

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 11

 

  1. When blood flow through the kidneys decreases:
a. filtration decreases and water is conserved to maintain BP
b. filtration decreases and water is eliminated to raise BP
c. filtration increases and water is conserved to maintain BP
d. filtration increases and water is eliminated to raise BP

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 12

 

  1. When blood pressure decreases, the kidneys secrete ___, which will initiate the formation of angiotensin II.
a. epinephrine c. erythropoietin
b. renin d. waste products

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 12

 

  1. Angiotensin II causes ___ and the secretion of the hormone ___.
a. vasoconstriction/ADH c. vasoconstriction/aldosterone
b. vasodilation/ADH d. vasodilation/aldosterone

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 12

 

  1. The formation of angiotensin II will:
a. decrease venous return c. lower blood pressure
b. increase urinary output d. raise blood pressure

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 12

 

  1. A blood pressure reading:
a. has the systolic value first
b. has the diastolic value first
c. has either the systolic or diastolic value first, whichever is higher
d. none of these is always true

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 13

 

  1. A systolic BP value is the pressure when:
a. the left ventricle is contracting c. the left ventricle is relaxing
b. the right ventricle is contracting d. the right ventricle is relaxing

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 13

 

  1. A diastolic BP value is the pressure when:
a. the left ventricle is contracting c. the left ventricle is relaxing
b. the right ventricle is contracting d. the right ventricle is relaxing

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 13

 

  1. The term for high blood pressure is:
a. hyperpressure c. vascular insufficiency
b. vascular excess d. hypertension

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 13

 

  1. Which of these is NOT true of a BP reading?
a. Systolic pressure reflects the force of the left ventricle.
b. Hypotension would be a systolic pressure below 110 mmHg.
c. The reading is in millimeters of mercury.
d. At least two readings should be taken to see if they are consistent.

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 13

 

  1. Which of these is NOT a compensating mechanism following a small loss of blood?
a. greater vasodilation c. increased heart rate
b. greater vasoconstriction d. decreased urinary output

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 13

 

  1. Following a small loss of blood, the heart will:
a. decrease rate to conserve energy c. increase rate to pump blood faster
b. decrease rate to prevent greater loss d. be unaffected

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 13

 

  1. Following a small loss of blood, the kidneys will:
a. increase urinary output to prevent concentration of waste products in the blood
b. decrease urinary output to conserve water
c. decrease urinary output to conserve energy
d. be unaffected

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 13

 

  1. Following a small loss of blood, the arteries will:
a. dilate to supply tissues c. constrict to maintain BP in capillaries
b. constrict to prevent greater loss d. be unaffected

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 13

 

  1. The diameter of arteries and veins is regulated by a center in the:
a. cerebrum c. hypothalamus
b. cerebellum d. medulla

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 14

 

  1. The nerves to the smooth muscle of all arteries and veins are:
a. sympathetic nerves c. nerve tracts
b. parasympathetic nerves d. visceral sensory nerves

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 14

 

  1. To maintain blood pressure, the normal state of arteries and veins is:
a. completely constricted c. slightly constricted
b. completely dilated d. none of these

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 14

 

  1. When vasoconstriction is needed to raise BP, the arteries receive:
a. fewer sympathetic impulses c. more parasympathetic impulses
b. more sympathetic impulses d. fewer parasympathetic impulses

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 14

 

  1. When vasodilation is needed to lower BP, the arteries receive:
a. more parasympathetic impulses c. more sympathetic impulses
b. fewer parasympathetic impulses d. fewer sympathetic impulses

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 14

 

  1. Which statement is NOT true of blood vessels and blood pressure?
a. Vasoconstriction raises BP.
b. Norepinephrine causes vasoconstriction.
c. The diameter of arteries and veins is regulated by the hypothalamus.
d. Sympathetic impulses to arteries go to the smooth muscle in their walls.

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 14

 

  1. Velocity of blood flow is slowest in the:
a. arteries c. veins
b. capillaries d. aorta

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 14

 

  1. Velocity of blood flow is inversely related to the:
a. need for oxygen in tissues
b. length of the part of the vascular system
c. need for nutrients in tissues
d. cross-sectional area of the part of the vascular system

 

 

ANS:  D                    PTS:   1                    REF:   Rev Ques 14

 

  1. Slow blood flow is important to:
a. allow time for exchanges in capillaries c. prevent rupture of arteries
b. prevent abnormal clotting in veins d. prevent rupture of capillaries

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 14

 

  1. During exercise, blood flow to the skeletal muscles will:
a. increase c. remain the same
b. decrease d. be unpredictable

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 14

 

  1. During exercise, blood flow to the brain will:
a. increase c. remain the same
b. decrease d. be unpredictable

 

 

ANS:  C                    PTS:   1                    REF:   Rev Ques 14

 

  1. During exercise, blood flow to the skin will:
a. increase c. remain the same
b. decrease d. be unpredictable

 

 

ANS:  A                    PTS:   1                    REF:   Rev Ques 14

 

  1. During exercise, blood flow to the digestive tract will:
a. increase c. remain the same
b. decrease d. be unpredictable

 

 

ANS:  B                    PTS:   1                    REF:   Rev Ques 14