Question 1

Which of the following statements is correct about the function of the pulmonary circulatory system?

Accepted Answer

A)   The pulmonary system is responsible for adding oxygen and removing carbon dioxide from the red blood cells.
B)   The systemic system is responsible for adding oxygen and removing carbon dioxide from the red blood cells.
C)   The pulmonary system is responsible for adding carbon dioxide and removing oxygen from the red blood cells.
D)   The pulmonary system is responsible for adding oxygen and removing carbon dioxide from the white blood cells.
E)   The pulmonary system is responsible for adding oxygen and removing carbon dioxide from the platelets.F) C) and D)
G) B) and E)

Question 2

You are a doctor and a patient comes to you for a check-up.He expresses that his father recently had a heart attack brought on by atherosclerosis.He wants to know what he should do to lower his risk of also having a heart attack.Which of the following statements might you make to him?

Accepted Answer

A)   Do not be concerned about your weight.
B)   Keep exercise to a minimum.
C)   Decrease the amount of fruits and vegetables in your diet.
D)   Decrease the amount of saturated fat and cholesterol in your diet.
E)   Smoking does not contribute to your risk.F) C) and E)
G) A) and D)

Question 3

In the cardiac cycle,the diastole is

Accepted Answer

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

Question 4

Blood pressure

Accepted Answer

A)   is highest when the heart relaxes.
B)   can decrease because of atherosclerosis.
C)   can be lowered by the constriction of arterioles.
D)   is considered high when it is above 100/70 mm Hg.
E)   contributes to movement of substances from the blood into the tissues.F) A) and E)
G) C) and E)

Question 5

The portion of whole blood indicated by the C in the figure shown here

Accepted Answer

A)   represents 60% of the sample and is composed of leukocytes and platelets.
B)   represents 45% of the sample and is composed of plasma.
C)   represents 60% of the sample and is composed of erythrocytes.
D)   represents 55% of the sample and is composed of plasma.
E)   represents 45% of the sample and is composed of erythrocytes.F) B) and C)
G) A) and C)

Question 6

Which of the following statements are true about the majority of arteries in the body?

Accepted Answer

A)   Arteries transport blood towards the heart and contain a thick wall of smooth muscle.
B)   Arteries transport blood towards the heart and contain a thin wall of smooth muscle.
C)   Arteries transport blood away from the heart and contain a thick wall of smooth muscle.
D)   Arteries transport blood away from the heart and contain a thick wall of skeletal muscle.
E)   Arteries transport blood away from the heart and contain a thick wall of cardiac muscle.F) B) and D)
G) C) and D)

Question 7

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 E)
G) A) and D)

Question 8

In the figure shown here,the top ECG shown is normal.What condition does the bottom ECG indicate?

Accepted Answer

A)   ventricular fibrillation
B)   a heart murmur
C)   hypertension
D)   stroke
E)   angina pectorisF) A) and B)
G) A) and C)

Question 9

A major evolutionary change seen between fish circulatory systems and amphibian,bird,and mammalian circulatory systems 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) D) and E)
G) B) and D)

Question 10

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) A) and C)

Question 11

A neutrophil

Accepted Answer

A)   fights disease.
B)   forms a plug in damaged blood vessels.
C)   carries oxygen in the blood.
D)   releases clotting factors which stimulate the formation of a blood clot.
E)   carries carbon dioxide in the blood.F) A) and B)
G) All of the above

Question 12

In order for cells in multicellular organisms to exchange gases,a circulatory system must be present.

Accepted Answer

A) True 
 B)False

Question 13

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) All of the above
G) B) and C)

Question 14

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) None of the above
G) B) and D)

Question 15

Which of the following is NOT true about platelets?

Accepted Answer

A)   They form clumps in leaks in blood vessels.
B)   They produce prothrombin activator.
C)   They contract within a clot.
D)   They phagocytize pathogens.
E)   They are actual fragments of a larger type of cell.F) B) and D)
G) C) and E)

Question 16

The function of the lymphatic vessel is to

Accepted Answer

A)   collect O2-rich blood from below the heart and return it to the right atrium.
B)   carry blood from the heart to the tissues of the body.
C)   collect tissue fluid and return it to the subclavian veins.
D)   collect tissue fluid and return it to the aorta.
E)   collect O2-poor blood from above the heart and return it to the right atrium.F) B) and D)
G) C) and D)

Question 17

Which of the following is NOT true about semilunar valves?

Accepted Answer

A)   One is found at the entrance to the pulmonary trunk.
B)   Their closing causes the second, shorter "dub" sound of the heartbeat.
C)   They connect the atria and ventricles.
D)   One is found at the entrance to the aorta.
E)   They are composed of three half moon shaped flaps.F) A) and B)
G) B) and D)

Question 18

Which one of the following statements is true about animals that do NOT have circulatory systems?

Accepted Answer

A)   They do not have tissues and organs.
B)   They may rely on diffusion for the transfer of gases, nutrients, and wastes.
C)   There are no animals without circulatory systems.
D)   They tend to have large bodies.
E)   The body cells are typically distant from the source of the oxygen so the gas has to diffuse through several layers to reach all cells.F) B) and C)
G) C) and D)

Question 19

The osmotic pressure and buffering capacity of the blood is maintained by the

Accepted Answer

A)   red blood cells.
B)   plasma.
C)   lymph.
D)   white blood cells.
E)   platelets.F) All of the above
G) A) and C)

Question 20

Mammal blood serves to transport substances to and from the capillary beds.

Accepted Answer

A) True 
 B)False

Exam 23: The Transport Systems

Which of the following statements is correct about the function of the pulmonary circulatory system?

Correct AnswerverifiedShow Answer

Which of the following is NOT true about semilunar valves?

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In the cardiac cycle,the diastole is

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The function of the lymphatic vessel is to

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

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Mammal blood serves to transport substances to and from the capillary beds.

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Which of the following is NOT true about platelets?

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Which one of the following statements is true about animals that do NOT have circulatory systems?

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

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Pulmonary arteries take

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A neutrophil

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The osmotic pressure and buffering capacity of the blood is maintained by the

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Blood pressure

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In order for cells in multicellular organisms to exchange gases,a circulatory system must be present.

Correct AnswerverifiedShow Answer

In animals with four-chambered hearts,the left ventricle

Correct AnswerverifiedShow Answer

In the figure shown here,the top ECG shown is normal.What condition does the bottom ECG indicate?

Correct AnswerverifiedShow Answer

The portion of whole blood indicated by the C in the figure shown here

Correct AnswerverifiedShow Answer

Which of the following statements are true about the majority of arteries in the body?

Correct AnswerverifiedShow Answer

You are a doctor and a patient comes to you for a check-up.He expresses that his father recently had a heart attack brought on by atherosclerosis.He wants to know what he should do to lower his risk of also having a heart attack.Which of the following statements might you make to him?

Correct AnswerverifiedShow Answer

A major evolutionary change seen between fish circulatory systems and amphibian,bird,and mammalian circulatory systems is the presence of a

Correct AnswerverifiedShow Answer

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