Question 1

For the following, match the term with the best description.
-Korotkoff sounds

Accepted Answer

A)  A characteristic of aging arteries
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) B) and D)
G) A) and B)

Question 2

The kidneys are supplied by the ________ arteries.

Accepted Answer

A)   renal
B)   suprarenal
C)   lumbar
D)   inferior mesentericE) A) and D)
F) All of the above

Question 3

Match the structure with the appropriate description.
-Subclavian 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) B) and E)
G) All of the above

Question 4

Match the artery with the appropriate description.
-Superior mesenteric artery

Accepted Answer

A)  Supplies blood to the diaphragm
B)  Supplies blood to the esophagus
C)  Supplies blood to the thoracic wall
D)  Supplies blood to the pancreas and small intestine
E)  Supplies blood to the stomach, liver, and spleenF) B) and D)
G) A) and D)

Question 5

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

Accepted Answer

A)   ATP
B)   Lactate
C)   ADP
D)   CO2E) A) and B)
F) A) and C)

Question 6

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) A) and B)
G) A) and C)

Question 7

In the following sequence, fill in the missing blood vessel.
Abdominal aorta; ________; splenic artery

Accepted Answer

The answer of In the following sequence, fill in the...

Question 8

All of the following are functions of the circulatory system, except

Accepted Answer

A)   carries blood.
B)   regulates blood pressure.
C)   transports nutrients.
D)   directs blood flow to tissues.
E)   excretes waste products.F) A) and D)
G) A) and C)

Question 9

Cardiac output is equal to stroke volume times heart rate.

Accepted Answer

A) True 
 B)False

Question 10

Precapillary sphincters

Accepted Answer

A)   serve as valves in veins.
B)   are found in the tunica media.
C)   carry blood under high pressure.
D)   control the blood flow into capillary beds.
E)   are voluntary structures.F) C) and D)
G) A) and E)

Question 11

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

Question 12

Match the vessel with the appropriate description.
-Anterior cerebral artery

Accepted Answer

A)  Supplies blood to the frontal lobes of the brain
B)  A circle of arteries at the base of the brain
C)  Supplies large portions of the lateral cerebral cortex
D)  Supplies the posterior portion of the cerebrum
E)  Formed by the bifurcation of the abdominal aortaF) A) and B)
G) C) and D)

Question 13

The innermost layer of a blood vessel wall is the tunica ________.

Accepted Answer

The answer of The innermost layer of a blood vessel...

Question 14

Which of the following structures helps to regulate body temperature?

Accepted Answer

A)   Glomus
B)   Tunic
C)   Fenestrae
D)   MetarterioleE) A) and B)
F) A) and C)

Question 15

Match the term with the best description.
-Thoroughfare channels

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 B)
G) A) and C)

Question 16

Fill in the missing vein.
External jugular vein; ________; superior vena cava

Accepted Answer

brachiocep...

Question 17

Resistance in the cardiovascular system

Accepted Answer

A)   tends to increase if blood viscosity increases.
B)   tends to decrease as the diameter of blood vessels decreases.
C)   dramatically increases blood flow through the circulatory system.
D)   is directly related to flow (↑ R → ↑ Flow) .
E)   does not occur. If it did, blood would not circulate in the blood vessels.F) All of the above
G) A) and B)

Question 18

Which vessel is often used to draw blood from a patient?

Accepted Answer

A)   Radial vein
B)   Brachial artery
C)   Median cubital vein
D)   Cephalic veinE) A) and B)
F) C) and D)

Question 19

In a capillary bed, relaxation of the precapillary sphincter

Accepted Answer

A)   causes more blood flow through thoroughfare channels.
B)   causes less blood to flow through capillaries.
C)   occurs when the tissue in the area does not need more oxygen.
D)   is voluntary.
E)   occurs when the tissue in the area needs more oxygen.F) All of the above
G) None of the above

Question 20

Increased venous tone will

Accepted Answer

A)   relax the veins.
B)   help return blood to the heart.
C)   allow blood to pool in the veins.
D)   stabilize blood velocity in the veins.
E)   dilate the veins.F) B) and E)
G) A) and B)

Exam 21: Cardiovascular System: Blood Vessels and Circulation

The kidneys are supplied by the ________ arteries.

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Cardiac output is equal to stroke volume times heart rate.

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Precapillary sphincters

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Which vessel is often used to draw blood from a patient?

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Match the term with the best description. -Thoroughfare channels

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Which of the following structures helps to regulate body temperature?

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Increased venous tone will

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

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Fill in the missing vein. External jugular vein; ________; superior vena cava

Correct Answerverifiedbrachiocep...View AnswerShow Answer

Match the structure with the appropriate description. -Subclavian artery

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

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The innermost layer of a blood vessel wall is the tunica ________.

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In the following sequence, fill in the missing blood vessel. Abdominal aorta; ________; splenic artery

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Match the vessel with the appropriate description. -Anterior cerebral artery

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In a capillary bed, relaxation of the precapillary sphincter

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

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Resistance in the cardiovascular system

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All of the following are functions of the circulatory system, except

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Match the artery with the appropriate description. -Superior mesenteric artery

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For the following, match the term with the best description. -Korotkoff sounds

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