Question 1

Damage to the external iliac artery will affect delivery of blood to the:

Accepted Answer

A)  lower limb.
B)  brain.
C)  upper limb.
D)  abdominal organs.E) C) and D)
F) A) and C)

Question 2

Explain fluid movement when the net filtration pressure (NFP)is a negative value.

Accepted Answer

A negative net filtration pressure (NFP)...

Question 3

The union of the radial and ulnar veins forms the:

Accepted Answer

A)  brachial vein.
B)  basilic vein.
C)  median cubital vein.
D)  axillary vein.E) None of the above
F) C) and D)

Question 4

Central chemoreceptors detect a decrease in pH in interstitial fluids in the brain.What is the response of the medulla to maintain delivery of oxygen to cells?

Accepted Answer

A)  A feedback loop is initiated that indirectly increases parasympathetic activity which results in vasodilation and a decrease in blood pressure.
B)  A feedback loop is initiated that indirectly increases sympathetic activity which results in vasoconstriction and a rise in blood pressure.
C)  A feedback loop is initiated that indirectly decreases sympathetic activity which results in vasodilation and a decrease in blood pressure.
D)  A feedback loop is initiated that indirectly increases parasympathetic activity which results in vasoconstriction and a rise in blood pressure.E) B) and C)
F) All of the above

Question 5

Which nervous system promotes increased peripheral resistance and increased blood pressure through the vasoconstriction of systemic arterioles?

Accepted Answer

A)  parasympathetic nervous system
B)  somatic nervous system
C)  sensory nervous system
D)  sympathetic nervous systemE) B) and C)
F) A) and D)

Question 6

Explain the influence of arterial blood pressure on tissue perfusion.

Accepted Answer

The blood flow to a tissue through a cap...

Question 7

During exercise,our vessels constrict and vessel radius decreases.What impact does a decreased vessel radius have on blood flow?

Accepted Answer

A)  Blood flow decreases.
B)  Blood flow remains the same.
C)  Blood flow increases.
D)  Vessel radius has no impact on blood flow.E) None of the above
F) All of the above

Question 8

Which of the following is TRUE of veins?

Accepted Answer

A)  Veins have more smooth muscle than arteries.
B)  Veins have smaller lumens than arteries.
C)  Veins have thinner walls than arteries.
D)  Veins have more elastic fibers than arteries.E) A) and B)
F) A) and C)

Question 9

Which division of the aorta gives rise to the right and left common iliac arteries?

Accepted Answer

A)  aortic arch
B)  ascending aorta
C)  descending thoracic aorta
D)  descending abdominal aortaE) B) and D)
F) All of the above

Question 10

What two factors determine the pressure gradient that drives circulation?

Accepted Answer

A)  cardiac output and peripheral resistance
B)  blood vessel radius and blood vessel length
C)  heart rate and stroke volume
D)  diastolic pressure and systolic pressureE) A) and B)
F) None of the above

Question 11

What hormone is released to decrease blood pressure?

Accepted Answer

A)  antidiuretic hormone (ADH) 
B)  angiotensin-II
C)  atrial natriuretic peptide (ANP) 
D)  aldosteroneE) B) and D)
F) None of the above

Question 12

Arteries in the systemic circuit carry oxygenated blood while arteries in the pulmonary circuit transport deoxygenated blood.

Accepted Answer

A) True 
 B)False

Question 13

Increased sympathetic activity leads to vasodilation and a decrease in blood pressure.

Accepted Answer

A) True 
 B)False

Question 14

Determine the net filtration pressure (NFP) if capillary hydrostatic pressure is 40 mm Hg and the colloid osmotic pressure is 25 mm Hg.

Accepted Answer

A)  45 mm Hg
B)  25 mm Hg
C)  -15 mm Hg
D)  15 mm HgE) B) and C)
F) A) and D)

Question 15

Describe the structure of the three tunics of a blood vessel.

Accepted Answer

The innermost tunica intima is composed ...

Question 16

Which blood vessels experience the sharpest decrease in blood pressure?

Accepted Answer

A)  systemic arterioles
B)  systemic veins
C)  systemic venules
D)  systemic capillary bedsE) A) and B)
F) A) and C)

Question 17

Describe the blood vessels and contribution of anastomoses that constitute the cerebral arterial circle (circle of Willis).

Accepted Answer

The cerebral arterial circle is made up ...

Question 18

Which of the following arteries gives rise to all others listed?

Accepted Answer

A)  radial artery
B)  axillary artery
C)  brachial artery
D)  ulnar arteryE) A) and B)
F) None of the above

Question 19

Determine the effects on fluid movement and capillary net filtration pressure (NFP)when a liver disorder prevents adequate formation of plasma proteins,such as albumin.

Accepted Answer

When the liver fails,production of plasm...

Question 20

During defecation,we hold our breath,bear down,and strain.Explain the effects of holding one's breath on blood pressure.

Accepted Answer

During the Valsalva maneuver,a subject b...

Exam 18: The Cardiovascular System Ii: the Blood Vessels

Which nervous system promotes increased peripheral resistance and increased blood pressure through the vasoconstriction of systemic arterioles?

Correct AnswerverifiedShow Answer

During exercise,our vessels constrict and vessel radius decreases.What impact does a decreased vessel radius have on blood flow?

Correct AnswerverifiedShow Answer

Central chemoreceptors detect a decrease in pH in interstitial fluids in the brain.What is the response of the medulla to maintain delivery of oxygen to cells?

Correct AnswerverifiedShow Answer

What two factors determine the pressure gradient that drives circulation?

Correct AnswerverifiedShow Answer

Explain the influence of arterial blood pressure on tissue perfusion.

Correct AnswerverifiedThe blood flow to a tissue through a cap...View AnswerShow Answer

Arteries in the systemic circuit carry oxygenated blood while arteries in the pulmonary circuit transport deoxygenated blood.

Correct AnswerverifiedShow Answer

Which blood vessels experience the sharpest decrease in blood pressure?

Correct AnswerverifiedShow Answer

Damage to the external iliac artery will affect delivery of blood to the:

Correct AnswerverifiedShow Answer

Determine the net filtration pressure (NFP) if capillary hydrostatic pressure is 40 mm Hg and the colloid osmotic pressure is 25 mm Hg.

Correct AnswerverifiedShow Answer

Explain fluid movement when the net filtration pressure (NFP)is a negative value.

Correct AnswerverifiedA negative net filtration pressure (NFP)...View AnswerShow Answer

Which of the following arteries gives rise to all others listed?

Correct AnswerverifiedShow Answer

Which of the following is TRUE of veins?

Correct AnswerverifiedShow Answer

What hormone is released to decrease blood pressure?

Correct AnswerverifiedShow Answer

Increased sympathetic activity leads to vasodilation and a decrease in blood pressure.

Correct AnswerverifiedShow Answer

Which division of the aorta gives rise to the right and left common iliac arteries?

Correct AnswerverifiedShow Answer

Describe the structure of the three tunics of a blood vessel.

Correct AnswerverifiedThe innermost tunica intima is composed ...View AnswerShow Answer

The union of the radial and ulnar veins forms the:

Correct AnswerverifiedShow Answer

Describe the blood vessels and contribution of anastomoses that constitute the cerebral arterial circle (circle of Willis).

Correct AnswerverifiedThe cerebral arterial circle is made up ...View AnswerShow Answer

Determine the effects on fluid movement and capillary net filtration pressure (NFP)when a liver disorder prevents adequate formation of plasma proteins,such as albumin.

Correct AnswerverifiedWhen the liver fails,production of plasm...View AnswerShow Answer

During defecation,we hold our breath,bear down,and strain.Explain the effects of holding one's breath on blood pressure.

Correct AnswerverifiedDuring the Valsalva maneuver,a subject b...View AnswerShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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The blood flow to a tissue through a cap...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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A negative net filtration pressure (NFP)...
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified

Correct Answer
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Correct Answer
verified
The innermost tunica intima is composed ...
View Answer

Correct Answer
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Correct Answer
verified
The cerebral arterial circle is made up ...
View Answer

Correct Answer
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When the liver fails,production of plasm...
View Answer

Correct Answer
verified
During the Valsalva maneuver,a subject b...
View Answer