Question 1

In the pulmonary circulation, the ________ carry blood to the lungs.

Accepted Answer

A)   carotid sinuses
B)   pulmonary arteries
C)   coronary arteries
D)   superior vena cava and inferior vena cava
E)   aortaF) D) and E)
G) C) and E)

Question 2

According to Poiseuille's law,

Accepted Answer

A)   blood flow is not related to resistance.
B)   pH of the blood influences flow.
C)   viscosity of the blood is not related to flow.
D)   if resistance increases, flow increases.
E)   if resistance increases, flow decreases.F) B) and E)
G) B) and D)

Question 3

If someone has a blood pressure reading of 110/70 mm Hg, their pulse pressure would be ________ mm Hg.

Accepted Answer

A)   110
B)   70
C)   40
D)   180
E)   90F) All of the above
G) A) and B)

Question 4

Match the vessel with the appropriate description.
-Common iliac artery

Accepted Answer

A)  Supplies blood to the pelvic area
B)  Formed by the bifurcation of the abdominal aorta
C)  The continuation of the femoral artery
D)  Extends from the common iliac artery to the thigh
E)  Continuation of the external iliac artery into the thighF) A) and B)
G) C) and E)

Question 5

The ________ arteries branch from the ascending aorta.

Accepted Answer

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

Question 6

Venous drainage from the posterior thoracic wall enters the superior vena cava via the ________ vein.

Accepted Answer

A)   subclavian
B)   internal thoracic
C)   accessory hemiazygos
D)   hemiazygos
E)   azygosF) A) and E)
G) A) and C)

Question 7

Increased pressure in the aortic arch will activate the aortic arch reflex and cause

Accepted Answer

A)   a decrease in the frequency of action potentials from the aortic baroreceptors.
B)   increased parasympathetic stimulation of the heart.
C)   vasoconstriction of peripheral vessels increasing the blood pressure.
D)   increased ADH secretion.
E)   increased sympathetic stimulation of the heart.F) C) and E)
G) A) and B)

Question 8

A famous tag-team wrestler has a famous "sleeper hold" that he uses on his opponents. Using only a single digit on each hand, he presses on his opponent's neck until his opponent passes out. What are the structures on which he is pressing and what is the effect?

Accepted Answer

A)   Subclavian arteries; blood flow to brain is stopped
B)   Carotid chemoreceptors; blood pressure increases
C)   Baroreceptors in carotid sinus; peripheral vasodilation and decreased heart rate
D)   Vertebral arteries; blood flow to brain is increased
E)   Jugular vein; blood flow back to heart is decreasedF) A) and B)
G) A) and C)

Question 9

For the following, match the term with the best description.
-Poiseuille's law

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 E)
G) C) and D)

Question 10

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) D) and E)

Question 11

The longest vein in the body is the ________.

Accepted Answer

A)   superior vena cava
B)   inferior vena cava
C)   hepatic portal vein
D)   great saphenous vein
E)   femoral veinF) B) and D)
G) B) and E)

Question 12

What creates the pulse?

Accepted Answer

A)   The diastole of the ventricles
B)   Ejection of blood from the left ventricle into the aorta
C)   The compliance of the arteries
D)   Constriction of the arteriolesE) A) and B)
F) A) and C)

Question 13

The greater the compliance the

Accepted Answer

A)   greater the resistance generated in the vessel.
B)   more easily the vessel wall stretches.
C)   longer the blood vessel will measure.
D)   higher the blood pressure will be.
E)   less the elasticity of the vessel.F) A) and E)
G) A) and C)

Question 14

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) A) and B)
G) B) and E)

Question 15

In response to circulatory shock,

Accepted Answer

A)   the body decreases ADH secretion.
B)   the renin-angiotensin mechanism is activated.
C)   atrial natriuretic factor is released.
D)   the vasomotor center is inhibited.
E)   the baroreceptors and chemoreceptors are inactivated.F) A) and D)
G) All of the above

Question 16

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 arteriesF) B) and D)
G) A) and C)

Question 17

Select the statement that best describes the 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)   Microscopic blood vessels that allow for the exchange of nutrients in the tissues
D)   System of blood vessels that carries blood from the right ventricle of the heart to the lungs and back to the left atrium of the heartE) C) and D)
F) A) and D)

Question 18

A blood pressure reading of 120/80 would

Accepted Answer

A)   indicate a diastolic pressure of 120 mm Hg.
B)   have Korotkoff sounds at pressures above 120 mm Hg.
C)   indicate a systolic pressure of 120 mm Hg.
D)   indicate a systolic pressure of 80 mm Hg.E) A) and B)
F) A) and C)

Question 19

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 B)
G) A) and C)

Question 20

Which of the following are components of the hepatic portal system?

Accepted Answer

A)   Azygos vein
B)   Inferior vena cava
C)   Gastric vein
D)   Inferior mesenteric vein
E)   Both "Gastric vein" and "Inferior mesenteric vein" are correct.F) B) and E)
G) All of the above

Exam 21: Cardiovascular System: Blood Vessels and Circulation

For the following, match the term with the best description. -Poiseuille's law

Correct AnswerverifiedShow Answer

In the pulmonary circulation, the ________ carry blood to the lungs.

Correct AnswerverifiedShow Answer

A blood pressure reading of 120/80 would

Correct AnswerverifiedShow Answer

Match the term with the appropriate description. -Aneurysm

Correct AnswerverifiedShow Answer

In response to circulatory shock,

Correct AnswerverifiedShow Answer

The ________ arteries branch from the ascending aorta.

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The longest vein in the body is the ________.

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Match the term with the appropriate description. -Vasa vasorum

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If someone has a blood pressure reading of 110/70 mm Hg, their pulse pressure would be ________ mm Hg.

Correct AnswerverifiedShow Answer

Which of the following are components of the hepatic portal system?

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Select the statement that best describes the pulmonary circulation.

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The greater the compliance the

Correct AnswerverifiedShow Answer

Match the term with the best description. -Endothelium

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A famous tag-team wrestler has a famous "sleeper hold" that he uses on his opponents. Using only a single digit on each hand, he presses on his opponent's neck until his opponent passes out. What are the structures on which he is pressing and what is the effect?

Correct AnswerverifiedShow Answer

Increased pressure in the aortic arch will activate the aortic arch reflex and cause

Correct AnswerverifiedShow Answer

Match the vessel with the appropriate description. -Common iliac artery

Correct AnswerverifiedShow Answer

Which statement about precapillary sphincters is CORRECT?

Correct AnswerverifiedShow Answer

What creates the pulse?

Correct AnswerverifiedShow Answer

According to Poiseuille's law,

Correct AnswerverifiedShow Answer

Venous drainage from the posterior thoracic wall enters the superior vena cava via the ________ vein.

Correct AnswerverifiedShow Answer

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