Question 1

The lining of a capillary is called the

Accepted Answer

A)   endothelium.
B)   adventitia.
C)   pericapillary layer.
D)   thoroughfare layer.
E)   tunica adventitia.F) A) and E)
G) A) and D)

Question 2

If a person develops high blood pressure, one of the compensatory mechanisms that comes into play is the fluid shift mechanism. This mechanism causes

Accepted Answer

A)   water to shift from inside cells into the extracellular fluid.
B)   water to shift from the capillaries into the interstitial spaces.
C)   water to shift from the interstitial space into the capillaries.
D)   increased filtration in the kidney, thereby increasing urine output.
E)   water to stay inside the capillaries.F) B) and D)
G) C) and D)

Question 3

Match the term with the appropriate description.
-vasa vasorum

Accepted Answer

A)  a bulge (a weak spot)  in the artery wall
B)  degenerative changes in arteries
C)  an overstretching of the veins of the lower extremities
D)  inflammation of the veins
E)  small vessels that supply nutrients to large arteriesF) A) and C)
G) C) and D)

Question 4

Fill in the missing blood vessel.
abdominal aorta; _____________; splenic artery

Accepted Answer

The answer of Fill in the missing blood vessel.
abdominal aorta;...

Question 5

Which coat of an artery contains endothelium?

Accepted Answer

A)   tunica intima
B)   tunica media
C)   tunica adventitia
D)   tunica elastica
E)   tunica intermediaF) None of the above
G) B) and D)

Question 6

Which of the following is NOT a long-term regulator of blood pressure?

Accepted Answer

A)   renin-angiotensin-aldosterone mechanism
B)   vasopressin mechanism
C)   stress-relaxation response
D)   oxygen tension responseE) A) and D)
F) B) and C)

Question 7

Explain the drop in blood pressure that occurs when one goes from lying down to standing up.

Accepted Answer

A)   The heart rate decreases. This is due to the baroreceptor reflex reducing sympathetic output to the SA node.
B)   An increase in afterload causes a drop in stroke volume, cardiac output, and blood pressure.
C)   An increase in preload causes a drop in stroke volume, cardiac output, and blood pressure.
D)   Venous compliance allows blood to pool in the legs, decreasing venous return. This causes a drop in cardiac output and blood pressure.E) C) and D)
F) B) and D)

Question 8

Match the term with the appropriate description.
-necrotic tissue

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) A) and D)
G) C) and D)

Question 9

Use the following key to choose the most correct answer.
-(1)  systolic pressure;
(2)  diastolic pressure

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) A) and B)
E) All of the above

Question 10

Which of the following organs would be most likely to contain fenestrated capillaries?

Accepted Answer

A)   spleen
B)   kidney
C)   bone marrow
D)   muscle
E)   pancreasF) A) and D)
G) C) and D)

Question 11

Match the term with the best description.
-endothelium

Accepted Answer

A)  simple squamous epithelium of capillaries
B)  drain capillary networks
C)  regulate blood flow into capillaries
D)  do not have fenestrae
E)  bypass capillary bedsF) A) and E)
G) None of the above

Question 12

The hepatic portal system

Accepted Answer

A)   begins and ends with capillary beds.
B)   transports nutrients from the digestive tract to the liver.
C)   allows the liver to detoxify substances entering the body through the digestive tract.
D)   has no pumping mechanism between the capillary beds.
E)   All of these choice are correct.F) B) and D)
G) A) and B)

Question 13

Which vein drains blood from the left side of the thorax and esophagus into the left brachiocephalic vein?

Accepted Answer

A)   hemiazygos vein
B)   left azygos vein
C)   internal thoracic vein
D)   accessory hemiazygos veinE) None of the above
F) A) and B)

Question 14

Edema can occur when there is

Accepted Answer

A)   an increase in the amount of plasma proteins.
B)   a decrease in capillary permeability to proteins.
C)   a decrease in blood pressure.
D)   a blockage of the lymphatics.
E)   an increase in blood colloid osmotic pressure.F) A) and E)
G) A) and B)

Question 15

Which kind of vessel provides a bypass for a capillary bed?

Accepted Answer

A)   sinusoid
B)   portal vein
C)   thoroughfare channel
D)   vasa vasorum
E)   metarterioleF) B) and C)
G) A) and E)

Question 16

According to the Laplace's Law, as the diameter of a blood vessel increases, the force applied to the wall of that vessel

Accepted Answer

A)   increases.
B)   decreases.
C)   increases, then decreases.
D)   remains the same.
E)   None of these choices is correct.F) A) and C)
G) A) and B)

Question 17

The _______ arteries branch from the ascending aorta.

Accepted Answer

The answer of The _______ arteries branch from the ascending...

Question 18

Which of the following is NOT a major point where the pulse can be monitored?

Accepted Answer

A)   common carotid artery
B)   facial artery
C)   popliteal artery
D)   ulnar arteryE) A) and D)
F) None of the above

Question 19

Fill in the missing blood vessel.
femoral artery; _____________; posterior tibial artery

Accepted Answer

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

Question 20

The viscosity of blood is influenced largely by __________, which is the percentage of the total blood volume composed of red blood cells.

Accepted Answer

The answer of The viscosity of blood is influenced largely...

Exam 21: Cardiovascular System: Blood Vessels and Circulation

Fill in the missing blood vessel. femoral artery; _____________; posterior tibial artery

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Use the following key to choose the most correct answer. -(1) systolic pressure; (2) diastolic pressure

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Explain the drop in blood pressure that occurs when one goes from lying down to standing up.

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Which of the following is NOT a long-term regulator of blood pressure?

Correct AnswerverifiedShow Answer

Fill in the missing blood vessel. abdominal aorta; _____________; splenic artery

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The viscosity of blood is influenced largely by __________, which is the percentage of the total blood volume composed of red blood cells.

Correct AnswerverifiedShow Answer

The hepatic portal system

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Which of the following organs would be most likely to contain fenestrated capillaries?

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Match the term with the appropriate description. -vasa vasorum

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Match the term with the appropriate description. -necrotic tissue

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The _______ arteries branch from the ascending aorta.

Correct AnswerverifiedShow Answer

Which of the following is NOT a major point where the pulse can be monitored?

Correct AnswerverifiedShow Answer

Which kind of vessel provides a bypass for a capillary bed?

Correct AnswerverifiedShow Answer

If a person develops high blood pressure, one of the compensatory mechanisms that comes into play is the fluid shift mechanism. This mechanism causes

Correct AnswerverifiedShow Answer

The lining of a capillary is called the

Correct AnswerverifiedShow Answer

Edema can occur when there is

Correct AnswerverifiedShow Answer

Match the term with the best description. -endothelium

Correct AnswerverifiedShow Answer

According to the Laplace's Law, as the diameter of a blood vessel increases, the force applied to the wall of that vessel

Correct AnswerverifiedShow Answer

Which coat of an artery contains endothelium?

Correct AnswerverifiedShow Answer

Which vein drains blood from the left side of the thorax and esophagus into the left brachiocephalic vein?

Correct AnswerverifiedShow Answer

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