Question 1

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) B) and D)
G) A) and B)

Question 2

Continuous capillaries

Accepted Answer

A)  have many thin areas called fenestrae.
B)  are freely permeable to large molecules such as hormones.
C)  have a wall where the endothelial cells fit very tightly together.
D)  are more permeable then fenestrated capillaries but not as permeable as sinusoidal capillaries.
E)  are characterized by continuous pores.F) C) and E)
G) All of the above

Question 3

Select the description below that describes pulmonary circulation.

Accepted Answer

A)   System of blood vessels that carries blood from the heart to the lungs and back to the right atrium of the heart.
B)   System of blood vessels that a carries blood from the heart to the rest of the body.
C)   Finely dissected blood vessels that allow for the exchange of nutrients in the tissues.
D)   System of blood vessels that carries blood from the heart to the lungs and back to the left atrium of the heart.E) A) and B)
F) None of the above D

Question 4

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 E)
G) A) and D)

Question 5

Atrial natriuretic factor

Accepted Answer

A)  is released in response to elevated atrial pressure.
B)  stimulates the release of ADH.
C)  decreases urine production.
D)  stimulates release of aldosterone.
E)  increases blood volume.F) C) and D)
G) None of the above

Question 6

Which statement about precapillary sphincters is CORRECT?

Accepted Answer

A)  They contract when oxygen levels in the tissue are low.
B)  They can close off the capillaries by contracting.
C)  They are openings that allow large molecules and blood cells to leave the capillary.
D)  When the precapillary sphincters are open,blood flows only through the thoroughfare channels.
E)  They are voluntary.F) B) and C)
G) A) and B)

Question 7

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

Question 8

When vasodilation doubles the vessel diameter,what is the change in resistance?

Accepted Answer

A)   Reduced by half
B)   Doubles (twice the original value) 
C)   Reduced by 1/4th of the original value
D)   Reduced to 1/16th of the original valueE) None of the above
F) A) and B)

Question 9

Match the term with the appropriate description.
-stroke

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 ischemia,F) A) and C)
G) A) and B)

Question 10

Match the term with the best description.
-a characteristic of aging arteries

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

Question 11

Which function does the circulatory system share with the heart?

Accepted Answer

A)  directs blood flow to tissues
B)  exchanges nutrients and wastes with cells
C)  transports hormones to all areas of the body
D)  regulates blood pressureE) A) and C)
F) A) and D)

Question 12

Match the vessel with the appropriate description.
-thoracic visceral 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) C) and E)
G) D) and E)

Question 13

Compensatory shock is characterized by a narrowed pulse pressure.Which of the following blood pressure readings is an example of a narrowed pulse pressure?

Accepted Answer

A)  99/40
B)  70/20
C)  92/64
D)  82/40
E)  100/50F) C) and E)
G) None of the above C

Question 14

Match the term with the appropriate description.
-aneurysm

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 arteries,F) None of the above
G) A) and D)

Question 15

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) A) and B)

Question 16

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) B) and E)
G) C) and D)

Question 17

Match the vessel with the appropriate description.
-celiac trunk

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) All of the above
G) None of the above

Question 18

Match the term with the best description.
-Laplace's Law

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

Question 19

Art is 75.He has advanced arteriosclerosis.He is suffering from a number of manifestations,which are consistent with his arteriosclerosis.Over the past several years he has developed hypertension and he is beginning to show signs of renal failure.Which of the following are consistent with his condition?

Accepted Answer

A)  increased resistance to blood flow
B)  increased renin secretion from the kidneys
C)  increased aldosterone secretion from the adrenal cortex
D)  increased angiotensinogen formation
E)  All of these choices is correct.F) C) and D)
G) A) and D)

Question 20

Which type of vessel has the greatest compliance?

Accepted Answer

A)  arteries
B)  veins
C)  arterioles
D)  capillariesE) B) and C)
F) None of the above B

Exam 21: Cardiovascular System: Blood Vessels and Circulation

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

Correct Answer
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Continuous capillaries

Correct Answer
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Select the description below that describes pulmonary circulation.

Correct Answer
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D

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

Correct Answer
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Atrial natriuretic factor

Correct Answer
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Which statement about precapillary sphincters is CORRECT?

Correct Answer
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The hepatic portal system

Correct Answer
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When vasodilation doubles the vessel diameter,what is the change in resistance?

Correct Answer
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Match the term with the appropriate description. -stroke

Correct Answer
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Match the term with the best description. -a characteristic of aging arteries

Correct Answer
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Which function does the circulatory system share with the heart?

Correct Answer
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Match the vessel with the appropriate description. -thoracic visceral artery

Correct Answer
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Compensatory shock is characterized by a narrowed pulse pressure.Which of the following blood pressure readings is an example of a narrowed pulse pressure?

Correct Answer
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C

Match the term with the appropriate description. -aneurysm

Correct Answer
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Match the term with the best description. -endothelium

Correct Answer
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Match the vessel with the appropriate description. -anterior cerebral artery

Correct Answer
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Match the vessel with the appropriate description. -celiac trunk

Correct Answer
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Match the term with the best description. -Laplace's Law

Correct Answer
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Which type of vessel has the greatest compliance?

Correct Answer
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B

Exam 21: Cardiovascular System: Blood Vessels and Circulation

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

Correct AnswerverifiedShow Answer

Continuous capillaries

Correct AnswerverifiedShow Answer

Select the description below that describes pulmonary circulation.

Correct AnswerverifiedD

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

Correct AnswerverifiedShow Answer

Atrial natriuretic factor

Correct AnswerverifiedShow Answer

Which statement about precapillary sphincters is CORRECT?

Correct AnswerverifiedShow Answer

The hepatic portal system

Correct AnswerverifiedShow Answer

When vasodilation doubles the vessel diameter,what is the change in resistance?

Correct AnswerverifiedShow Answer

Match the term with the appropriate description. -stroke

Correct AnswerverifiedShow Answer

Match the term with the best description. -a characteristic of aging arteries

Correct AnswerverifiedShow Answer

Which function does the circulatory system share with the heart?

Correct AnswerverifiedShow Answer

Match the vessel with the appropriate description. -thoracic visceral artery

Correct AnswerverifiedShow Answer

Compensatory shock is characterized by a narrowed pulse pressure.Which of the following blood pressure readings is an example of a narrowed pulse pressure?

Correct AnswerverifiedC

Match the term with the appropriate description. -aneurysm

Correct AnswerverifiedShow Answer

Match the term with the best description. -endothelium

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Match the vessel with the appropriate description. -celiac trunk

Correct AnswerverifiedShow Answer

Match the term with the best description. -Laplace's Law

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Which type of vessel has the greatest compliance?

Correct AnswerverifiedB

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D

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C

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B