CAMPBELL BIOLOGY: CHAPTER 42
TEST PREPARATION EXAM QUESTIONS
WITH COMPLETE SOLUTIONS
8) Organisms with a circulating body fluid that is distinct from the fluid that directly
surrounds the body's cells are likely to have
A) an open circulatory system.
B) a closed circulatory system.
C) a gastrovascular cavity.
D) branched tracheae.
E) hemolymph. - Answer-B
9) In which of the following organisms does blood flow from the pulmocutaneous
circulation to the heart before circulating through the rest of the body?
A) annelids
B) molluscs
C) fishes
D) frogs
E) insects - Answer-D
10) The only vertebrates in which blood flows directly from respiratory organs to body
tissues without first returning to the heart are the
A) amphibians.
B) birds.
C) fishes.
D) mammals.
E) reptiles. - Answer-C
11) To adjust blood pressure independently in the capillaries of the gas-exchange
surface and in the capillaries of the general body circulation, an organism would need
a(n)
A) open circulatory system.
B) hemocoel.
C) lymphatic system.
D) two-chambered heart.
E) four-chambered heart. - Answer-E
12) A portal system is
A) an area connecting arterioles to venules.
B) a series of vessels that returns blood to the heart in an animal with an open
circulatory system.
C) a space within or between organs where blood is allowed to pool.
,D) a slightly muscular vessel that has minimal pumping action in an organism with no
heart.
E) a vessel or vessels connecting two capillary beds. - Answer-E
13) Which of the following develops the greatest pressure on the blood in the
mammalian aorta?
A) systole of the left atrium
B) diastole of the right ventricle
C) systole of the left ventricle
D) diastole of the right atrium
E) diastole of the left atrium - Answer-C
14) Which of the following pairs of mammalian blood vessels has blood that is the least
similar in its gas content?
A) the pulmonary vein and the jugular vein
B) the veins from the right and left legs
C) the pulmonary artery and the vena cava
D) the pulmonary vein and the aorta
E) the inferior vena cava and the superior vena cava - Answer-A
15) After several weeks of exercise, a human athlete's resting heart rate is typically
lower than before because
A) the body needs less oxygen than before.
B) the body temperature has increased.
C) the stroke volume has increased.
D) the cardiac output has decreased.
E) the body produces less carbon dioxide than before. - Answer-C
16) A human red blood cell in an artery of the left arm is on its way to deliver oxygen to
a cell in the thumb. To travel from the artery in the arm to the left ventricle, this red
blood cell must pass through
A) one capillary bed.
B) two capillary beds.
C) three capillary beds.
D) four capillary beds.
E) five capillary beds. - Answer-B
17) Which of the following is the correct sequence of blood flow in reptiles and
mammals?
A) left ventricle → aorta → lungs → systemic circulation
B) right ventricle → pulmonary vein → pulmocutaneous circulation
C) pulmonary vein → left atrium → left ventricle → pulmonary circuit
D) vena cava → right atrium → right ventricle → pulmonary circuit
E) right atrium → pulmonary artery → left atrium → ventricle - Answer-D
, 18) A patient with a blood pressure of 120/75, a pulse rate of 40 beats/minute, a stroke
volume of 70 mL/beat, and a respiratory rate of 25 breaths/minute will have a cardiac
output of
A) 500 mL/minute.
B) 1,000 mL/minute.
C) 1,750 mL/minute.
D) 2,800 mL/minute.
E) 4,800 mL/minute. - Answer-D
19) Damage to the sinoatrial node in humans
A) is a major contributor to heart attacks.
B) would block conductance between the bundle branches and the Purkinje fibers.
C) would have a negative effect on peripheral resistance.
D) would disrupt the rate and timing of cardiac muscle contractions.
E) would have a direct effect on blood pressure monitors in the aorta. - Answer-D
20) A stroke volume in the heart of 70 mL/cycle, with a pulse of 72 cycles per minute,
results in a cardiac output of
A) 5 L/minute.
B) 504 mL/minute.
C) 0.5 L/minute.
D) 50 L/minute.
E) 500 L/minute. - Answer-A
21) The semilunar valves of the mammalian heart
A) are the route by which blood flows from the atria to the ventricles.
B) are found only on the right side of the heart.
C) are the attachment site where the pulmonary veins empty into the heart.
D) prevent backflow of blood in the aorta and pulmonary arteries.
E) are at the places where the anterior and posterior venae cavae empty into the heart.
- Answer-D
22) The material present in arterioles that is not present in capillaries is
A) fully oxygenated blood.
B) plasma in which carbon dioxide has been added.
C) a lining of endothelial cells.
D) circular smooth muscle cells that can alter the size of the arterioles.
E) white blood cells and platelets. - Answer-D
23) The set of blood vessels with the slowest velocity of blood flow is
A) the arteries.
B) the arterioles.
C) the metarterioles.
D) the capillaries.
E) the veins. - Answer-D
TEST PREPARATION EXAM QUESTIONS
WITH COMPLETE SOLUTIONS
8) Organisms with a circulating body fluid that is distinct from the fluid that directly
surrounds the body's cells are likely to have
A) an open circulatory system.
B) a closed circulatory system.
C) a gastrovascular cavity.
D) branched tracheae.
E) hemolymph. - Answer-B
9) In which of the following organisms does blood flow from the pulmocutaneous
circulation to the heart before circulating through the rest of the body?
A) annelids
B) molluscs
C) fishes
D) frogs
E) insects - Answer-D
10) The only vertebrates in which blood flows directly from respiratory organs to body
tissues without first returning to the heart are the
A) amphibians.
B) birds.
C) fishes.
D) mammals.
E) reptiles. - Answer-C
11) To adjust blood pressure independently in the capillaries of the gas-exchange
surface and in the capillaries of the general body circulation, an organism would need
a(n)
A) open circulatory system.
B) hemocoel.
C) lymphatic system.
D) two-chambered heart.
E) four-chambered heart. - Answer-E
12) A portal system is
A) an area connecting arterioles to venules.
B) a series of vessels that returns blood to the heart in an animal with an open
circulatory system.
C) a space within or between organs where blood is allowed to pool.
,D) a slightly muscular vessel that has minimal pumping action in an organism with no
heart.
E) a vessel or vessels connecting two capillary beds. - Answer-E
13) Which of the following develops the greatest pressure on the blood in the
mammalian aorta?
A) systole of the left atrium
B) diastole of the right ventricle
C) systole of the left ventricle
D) diastole of the right atrium
E) diastole of the left atrium - Answer-C
14) Which of the following pairs of mammalian blood vessels has blood that is the least
similar in its gas content?
A) the pulmonary vein and the jugular vein
B) the veins from the right and left legs
C) the pulmonary artery and the vena cava
D) the pulmonary vein and the aorta
E) the inferior vena cava and the superior vena cava - Answer-A
15) After several weeks of exercise, a human athlete's resting heart rate is typically
lower than before because
A) the body needs less oxygen than before.
B) the body temperature has increased.
C) the stroke volume has increased.
D) the cardiac output has decreased.
E) the body produces less carbon dioxide than before. - Answer-C
16) A human red blood cell in an artery of the left arm is on its way to deliver oxygen to
a cell in the thumb. To travel from the artery in the arm to the left ventricle, this red
blood cell must pass through
A) one capillary bed.
B) two capillary beds.
C) three capillary beds.
D) four capillary beds.
E) five capillary beds. - Answer-B
17) Which of the following is the correct sequence of blood flow in reptiles and
mammals?
A) left ventricle → aorta → lungs → systemic circulation
B) right ventricle → pulmonary vein → pulmocutaneous circulation
C) pulmonary vein → left atrium → left ventricle → pulmonary circuit
D) vena cava → right atrium → right ventricle → pulmonary circuit
E) right atrium → pulmonary artery → left atrium → ventricle - Answer-D
, 18) A patient with a blood pressure of 120/75, a pulse rate of 40 beats/minute, a stroke
volume of 70 mL/beat, and a respiratory rate of 25 breaths/minute will have a cardiac
output of
A) 500 mL/minute.
B) 1,000 mL/minute.
C) 1,750 mL/minute.
D) 2,800 mL/minute.
E) 4,800 mL/minute. - Answer-D
19) Damage to the sinoatrial node in humans
A) is a major contributor to heart attacks.
B) would block conductance between the bundle branches and the Purkinje fibers.
C) would have a negative effect on peripheral resistance.
D) would disrupt the rate and timing of cardiac muscle contractions.
E) would have a direct effect on blood pressure monitors in the aorta. - Answer-D
20) A stroke volume in the heart of 70 mL/cycle, with a pulse of 72 cycles per minute,
results in a cardiac output of
A) 5 L/minute.
B) 504 mL/minute.
C) 0.5 L/minute.
D) 50 L/minute.
E) 500 L/minute. - Answer-A
21) The semilunar valves of the mammalian heart
A) are the route by which blood flows from the atria to the ventricles.
B) are found only on the right side of the heart.
C) are the attachment site where the pulmonary veins empty into the heart.
D) prevent backflow of blood in the aorta and pulmonary arteries.
E) are at the places where the anterior and posterior venae cavae empty into the heart.
- Answer-D
22) The material present in arterioles that is not present in capillaries is
A) fully oxygenated blood.
B) plasma in which carbon dioxide has been added.
C) a lining of endothelial cells.
D) circular smooth muscle cells that can alter the size of the arterioles.
E) white blood cells and platelets. - Answer-D
23) The set of blood vessels with the slowest velocity of blood flow is
A) the arteries.
B) the arterioles.
C) the metarterioles.
D) the capillaries.
E) the veins. - Answer-D
