Question 1

Fill in the missing blood vessel.
vertebral artery; _____________; posterior cerebral artery

Accepted Answer

The answer of Fill in the missing blood vessel.
vertebral artery;...

Question 2

The hepatic portal vein is formed by the union of the splenic vein and the

Accepted Answer

A)   superior mesenteric vein.
B)   inferior mesenteric vein.
C)   hepatic vein.
D)   renal vein.
E)   gastric vein.F) A) and B)
G) B) and C)

Question 3

Match the term with the appropriate description.
-infarct

Accepted Answer

A)  dead tissue
B)  a floating clot
C)  sudden decreased blood supply to a part of the brain
D)  a stationary clot
E)  a localized area of dead cells resulting from ischemiaF) All of the above
G) A) and B)

Question 4

What are vasa vasorum?

Accepted Answer

A)   Blood vessels that connect primary and secondary capillary networks.
B)   Structures within veins that keep blood flowing in one direction.
C)   Connective tissue that surrounds large vessels.
D)   Nerve plexuses surrounding the blood vessel.
E)   Blood vessels that nourish the tunica adventitia and tunica media.F) A) and D)
G) None of the above

Question 5

Which of the following is NOT a vasodilator substance produced in the extracellular fluid?

Accepted Answer

A)   ATP
B)   lactic acid
C)   ADP
D)   carbon dioxideE) None of the above
F) B) and C)

Question 6

Blood from the posterior abdominal wall drains into the

Accepted Answer

A)   hepatic portal vein.
B)   inferior vena cava.
C)   ascending lumbar veins.
D)   mesenteric vein.
E)   hepatic vein.F) B) and E)
G) C) and D)

Question 7

The first blood vessels that branch from the ascending aorta are the

Accepted Answer

A)   coronary arteries.
B)   brachiocephalic arteries.
C)   common carotid arteries.
D)   subclavian arteries.
E)   pulmonary arteries.F) C) and D)
G) A) and C)

Question 8

Describe the relationship between pulse pressure, aging and compliance.

Accepted Answer

A)   With increasing age, compliance increases and pulse pressure increases.
B)   With increasing age, compliance decreases and pulse pressure decreases.
C)   With increasing age, compliance decreases and pulse pressure is unaffected.
D)   With increasing age, compliance decreases and pulse pressure increases.E) None of the above
F) A) and D)

Question 9

When there is a drop in blood pressure, the body reacts immediately by way of the

Accepted Answer

A)   baroreceptor mechanism.
B)   chemoreceptor mechanism.
C)   CNS ischemic mechanism.
D)   stress-relaxation mechanism.
E)   adrenal medullary mechanism.F) A) and D)
G) C) and D)

Question 10

Which of the following thoracic organs is supplied by a parietal branch of the thoracic aorta?

Accepted Answer

A)   the heart
B)   the lungs
C)   the esophagus
D)   the intercostal muscles
E)   the thymus glandF) All of the above
G) None of the above

Question 11

Which of the following statements concerning blood vessel walls is true?

Accepted Answer

A)   The tunica intima is the innermost layer of a blood vessel wall.
B)   The tunica media is found in all blood vessels except veins.
C)   The tunica adventitia is composed of smooth muscle and endothelium.
D)   Capillaries have both a tunica intima and a tunica media.
E)   Vessel diameter is controlled primarily by the tunica intima.F) A) and B)
G) A) and C)

Question 12

Match the term with the best description.
-vascular compliance

Accepted Answer

A)  arteriosclerosis
B)  produced by turbulent blood flow
C)  blood flow is directly proportional to pressure differences and inversely proportional to resistance
D)  as pressure in a vessel decreases, the force holding it open decreases, and the vessel tends to collapse
E)  a characteristic of the venous systemF) C) and E)
G) C) and D)

Question 13

Which of the following factors assists in the return of venous blood to the heart? (1)  arterial dilation
(2)  valves in the veins
(3)  sympathetic stimulation
(4)  compression of veins by muscular movements

Accepted Answer

A)   1 and 2
B)   1, 2, 3
C)   1, 2, 3, 4
D)   2, 3, 4
E)   1, 3, 4F) None of the above
G) B) and C)

Question 14

Use the following key to choose the most correct answer.
-(1)  plasma volume when ADH levels increase;
(2)  plasma volume when ADH levels decrease

Accepted Answer

A)  Choose this if the first item is greater than the second item.
B)  Choose this if the first item is less than the second item.
C)  Choose this if the first item is equal or nearly equal to the second item.D) All of the above
E) B) and C)

Question 15

Match the following with the appropriate description.
-external carotid artery

Accepted Answer

A)  formed when the right and left vertebral arteries unite
B)  supplies blood to the face, nose, and mouth
C)  terminates by forming the middle cerebral arteries
D)  supplies blood to the arm and shoulder regions
E)  sense organs that monitor blood pressureF) A) and D)
G) A) and C)

Question 16

The azygos vein drains blood from the _____ into the superior vena cava.

Accepted Answer

A)   head
B)   upper arm
C)   kidneys
D)   thorax
E)   abdominal wallF) A) and D)
G) C) and D)

Question 17

Fill in the missing blood vessel.
hepatic vein; _____________; right atrium

Accepted Answer

The answer of Fill in the missing blood vessel.
hepatic vein;...

Question 18

Select the answer that is not true when comparing veins and arteries of the same diameter.

Accepted Answer

A)   Veins have thinner walls.
B)   Veins have valves.
C)   Veins have fewer smooth muscle fibers.
D)   Veins have a larger lumen.
E)   Veins have more elastic tissue.F) A) and D)
G) A) and E)

Question 19

As the popliteal vein ascends the leg, it becomes the

Accepted Answer

A)   peroneal vein.
B)   saphenous vein.
C)   common iliac vein.
D)   femoral vein.
E)   deep femoral vein.F) B) and D)
G) A) and D)

Question 20

Capillaries have the slowest velocity because

Accepted Answer

A)   the total cross-sectional area is the smallest.
B)   the resistance is the greatest.
C)   the total cross-sectional area is the largest.
D)   their diameters are the smallest.E) B) and D)
F) B) and C)

Exam 21: Cardiovascular System: Blood Vessels and Circulation

Fill in the missing blood vessel. vertebral artery; _____________; posterior cerebral artery

Correct AnswerverifiedShow Answer

The hepatic portal vein is formed by the union of the splenic vein and the

Correct AnswerverifiedShow Answer

Match the term with the appropriate description. -infarct

Correct AnswerverifiedShow Answer

Use the following key to choose the most correct answer. -(1) plasma volume when ADH levels increase; (2) plasma volume when ADH levels decrease

Correct AnswerverifiedShow Answer

Match the term with the best description. -vascular compliance

Correct AnswerverifiedShow Answer

Which of the following factors assists in the return of venous blood to the heart? (1) arterial dilation (2) valves in the veins (3) sympathetic stimulation (4) compression of veins by muscular movements

Correct AnswerverifiedShow Answer

Capillaries have the slowest velocity because

Correct AnswerverifiedShow Answer

The azygos vein drains blood from the _____ into the superior vena cava.

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What are vasa vasorum?

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The first blood vessels that branch from the ascending aorta are the

Correct AnswerverifiedShow Answer

Which of the following thoracic organs is supplied by a parietal branch of the thoracic aorta?

Correct AnswerverifiedShow Answer

Which of the following is NOT a vasodilator substance produced in the extracellular fluid?

Correct AnswerverifiedShow Answer

When there is a drop in blood pressure, the body reacts immediately by way of the

Correct AnswerverifiedShow Answer

As the popliteal vein ascends the leg, it becomes the

Correct AnswerverifiedShow Answer

Blood from the posterior abdominal wall drains into the

Correct AnswerverifiedShow Answer

Fill in the missing blood vessel. hepatic vein; _____________; right atrium

Correct AnswerverifiedShow Answer

Describe the relationship between pulse pressure, aging and compliance.

Correct AnswerverifiedShow Answer

Which of the following statements concerning blood vessel walls is true?

Correct AnswerverifiedShow Answer

Match the following with the appropriate description. -external carotid artery

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Select the answer that is not true when comparing veins and arteries of the same diameter.

Correct AnswerverifiedShow Answer

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