Question 1

When red blood cells are destroyed, the heme molecule is returned to the bone marrow to be used again.

Accepted Answer

A) True 
 B)False

Question 2

If the sinoatrial node fails in the heart,

Accepted Answer

A)   the heart ceases to beat.
B)   the ventricles will beat at a higher rate.
C)   an artificial pacemaker can correct the problem.
D)   the heartbeat is unaffected.
E)   the atria will not contract.F) A) and C)
G) A) and E)

Question 3

The vessel that leaves the heart, taking O2-rich blood to the body,

Accepted Answer

A)   is large in diameter with a thick muscle and elastic layer.
B)   is called the pulmonary trunk.
C)   has many valves along its length to assist in blood flow.
D)   is comprised of a single layer of thin epithelial cells.
E)   is called the superior vena cava.F) A) and D)
G) C) and E)

Question 4

A four-chambered heart, veins, arteries, and capillaries are found in

Accepted Answer

A)   all closed circulatory systems.
B)   some closed circulatory systems.
C)   some open circulatory systems.
D)   all open circulatory systems.
E)   mammals only.F) None of the above
G) C) and E)

Question 5

Blood in veins is

Accepted Answer

A)   moved by the contraction of the muscles in the walls of the veins.
B)   moved away from the heart by skeletal muscle contraction.
C)   usually high in oxygen.
D)   moved away from the heart with the help of the valves within the veins.
E)   moved toward the heart by skeletal muscle contraction.F) C) and E)
G) D) and E)

Question 6

Which blood vessel within the systemic circulatory system will connect the digestive tract and the liver?

Accepted Answer

A)   hepatic portal vein
B)   hepatic vein
C)   pulmonary trunk
D)   aorta
E)   renal veinF) A) and D)
G) D) and E)

Question 7

Which of the following correctly gives the orders of events in a cardiac cycle?

Accepted Answer

A)   atria contract, ventricles contract, AV valves close, ventricles relax, semilunar valves close
B)   ventricles contract, AV valves close, atria contract, ventricles relax, semilunar valves close
C)   ventricles relax, atria contract, ventricles relax, AV valves close, semilunar valves close
D)   AV valves close, ventricles relax, atria contract, semilunar valves close, ventricles contract
E)   ventricles contract, atria contract, AV valves close, ventricles relax, semilunar valves closeF) C) and E)
G) C) and D)

Question 8

For which of the following is iron required?

Accepted Answer

A)   It stimulates formation of lymph.
B)   It forms part of hemoglobin, which transports oxygen.
C)   It prevents destruction of red blood cells.
D)   It prevents plaque formation in arteries.
E)   It forms part of white blood cells.F) A) and D)
G) B) and E)

Question 9

A neutrophil is a type of

Accepted Answer

A)   white blood cell.
B)   red blood cell.
C)   platelet.
D)   erythrocyte.
E)   cardiac muscle cell.F) B) and D)
G) A) and B)

Question 10

You are a doctor and an individual comes into your office. During the routine exam, you listen to the patient's heart sounds and notice that the first heart sound or "lub" is not as sharp or crisp as it should be. Your diagnosis of the patient's condition is

Accepted Answer

A)   atherosclerosis.
B)   a heart murmur.
C)   angina pectoris.
D)   thromboembolism.
E)   hypertension.F) A) and C)
G) A) and B)

Question 11

Pulmonary arteries take

Accepted Answer

A)   O2-poor blood to the lungs.
B)   O2-rich blood to the lungs.
C)   O2-rich blood to the body.
D)   O2-poor blood to the right atrium.
E)   O2-poor blood to the body.F) A) and C)
G) A) and E)

Question 12

Both a coronary bypass operation and a stent insertion procedure are treatments used for which of the following conditions?

Accepted Answer

A)   blockage of a coronary artery
B)   hypertension
C)   anemia
D)   heart murmur
E)   ventricular defibrillationF) C) and D)
G) A) and B)

Question 13

In the cardiac cycle, the diastole is the

Accepted Answer

A)   relaxation of heart muscle.
B)   contraction of the atria.
C)   closing of the atrioventricular valves.
D)   opening of the semilunar valves.
E)   contraction of the ventricles.F) A) and B)
G) A) and C)

Question 14

Which is not a function of blood?
A) transport substances
B) defend the body against infection
C) regulate body temperature
D) form clots
E) All are functions of blood.

Accepted Answer

Explanation: The blood of mammals helps...

Question 15

In animals with four-chambered hearts, the left ventricle

Accepted Answer

A)   is larger as it pumps blood to the entire body.
B)   is larger as it pumps blood in the pulmonary circuit.
C)   pumps blood to the lungs.
D)   pumps blood to both the lungs and the body.
E)   pumps deoxygenated blood.F) C) and D)
G) B) and C)

Question 16

A major evolutionary change between the fish circulatory system and the circulatory systems of amphibians, birds, and mammalians is the presence of a

Accepted Answer

A)   separate pulmonary circuit in fish.
B)   two-chambered heart in amphibians, birds, and mammals.
C)   double-loop pathway in amphibians, birds, and mammals.
D)   stronger atria in amphibians, birds, and mammals.
E)   four-chambered heart in fish.F) A) and D)
G) D) and E)

Question 17

Which substances do not exit the capillary in order to enter the tissue fluid?

Accepted Answer

A)   red blood cells
B)   amino acids
C)   oxygen
D)   glucose
E)   waterF) A) and D)
G) B) and D)

Question 18

The two large lymphatic ducts deliver lymph to the subclavian veins.

Accepted Answer

A) True 
 B)False

Question 19

Because of the nature of platelets, having a low platelet count can be cause for concern if which of the following were to occur?

Accepted Answer

A)   a deep cut
B)   a bacterial infection
C)   a viral infection
D)   a diet deficient in iron
E)   a parasitic worm infectionF) B) and C)
G) B) and D)

Question 20

Formation of plaques in atherosclerosis can lead to hypertension, blood clots, stroke, and heart attacks.

Accepted Answer

A) True 
 B)False

Exam 23: The Transport Systems

For which of the following is iron required?

Correct AnswerverifiedShow Answer

In animals with four-chambered hearts, the left ventricle

Correct AnswerverifiedShow Answer

Blood in veins is

Correct AnswerverifiedShow Answer

The two large lymphatic ducts deliver lymph to the subclavian veins.

Correct AnswerverifiedShow Answer

A four-chambered heart, veins, arteries, and capillaries are found in

Correct AnswerverifiedShow Answer

Which of the following correctly gives the orders of events in a cardiac cycle?

Correct AnswerverifiedShow Answer

Which substances do not exit the capillary in order to enter the tissue fluid?

Correct AnswerverifiedShow Answer

Pulmonary arteries take

Correct AnswerverifiedShow Answer

Because of the nature of platelets, having a low platelet count can be cause for concern if which of the following were to occur?

Correct AnswerverifiedShow Answer

Both a coronary bypass operation and a stent insertion procedure are treatments used for which of the following conditions?

Correct AnswerverifiedShow Answer

The vessel that leaves the heart, taking O2-rich blood to the body,

Correct AnswerverifiedShow Answer

A major evolutionary change between the fish circulatory system and the circulatory systems of amphibians, birds, and mammalians is the presence of a

Correct AnswerverifiedShow Answer

In the cardiac cycle, the diastole is the

Correct AnswerverifiedShow Answer

Which is not a function of blood? A) transport substances B) defend the body against infection C) regulate body temperature D) form clots E) All are functions of blood.

Correct AnswerverifiedExplanation: The blood of mammals helps...View AnswerShow Answer

Which blood vessel within the systemic circulatory system will connect the digestive tract and the liver?

Correct AnswerverifiedShow Answer

Formation of plaques in atherosclerosis can lead to hypertension, blood clots, stroke, and heart attacks.

Correct AnswerverifiedShow Answer

If the sinoatrial node fails in the heart,

Correct AnswerverifiedShow Answer

A neutrophil is a type of

Correct AnswerverifiedShow Answer

When red blood cells are destroyed, the heme molecule is returned to the bone marrow to be used again.

Correct AnswerverifiedShow Answer

You are a doctor and an individual comes into your office. During the routine exam, you listen to the patient's heart sounds and notice that the first heart sound or "lub" is not as sharp or crisp as it should be. Your diagnosis of the patient's condition is

Correct AnswerverifiedShow Answer

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The vessel that leaves the heart, taking O₂-rich blood to the body,

Correct Answer
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Explanation: The blood of mammals helps...
View Answer

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