Question 1

A nurse takes your blood pressure and tells you the numbers are 110/70.What are your blood pressures?

Accepted Answer

A)   Systolic = 110 mmHg,Diastolic = 70 mmHg,Pulse Pressure = 40 mmHg,MAP = 83 mmMg
B)   Systolic = 110 mmHg,Diastolic = 70 mmHg,Pulse Pressure = 40 mmHg,MAP = 90 mmMg
C)   Diastolic = 110 mmHg,Systolic = 70 mmHg,Pulse Pressure = 40 mmHg,MAP = 107 mmMg
D)   Diastolic = 110 mmHg,Systolic = 70 mmHg,Pulse Pressure = 40 mmHg,MAP = 90 mmMgE) A) and B)
F) None of the above

Question 2

What is the most important force in venous flow?

Accepted Answer

A)   Cardiac suction
B)   The pressure generated by the heart
C)   The skeletal muscle pump
D)   The thoracic (respiratory) pump
E)   The one way flow due to valvesF) A) and C)
G) A) and B) B

Question 3

Where is the vasomotor center located?

Accepted Answer

A)   Hypothalamus
B)   Medulla oblongata
C)   Spinal cord
D)   Cerebellum
E)   Cerebral cortexF) A) and E)
G) A) and C)

Question 4

Which of the following constitutes the principal venous drainage of the thoracic organs?

Accepted Answer

A)   The branches of the celiac trunk
B)   The azygos system
C)   The mesenteric circulation
D)   The hepatic portal system
E)   The coronary and pulmonary veinsF) D) and E)
G) A) and D) B

Question 5

The pulmonary circuit is the only route in which arteries carry less oxygen than veins.

Accepted Answer

A) True 
 B)False

Question 6

How many pulmonary arteries empty into the right atrium of the heart?

Accepted Answer

A)   0
B)   1
C)   2
D)   4
E)   8F) D) and E)
G) All of the above

Question 7

Blood filtered through the hepatic sinusoids exits the liver via the hepatic veins.

Accepted Answer

A) True 
 B)False

Question 8

Arteries are sometimes called the __________ vessels of the cardiovascular system because they have strong-resilient tissue structure.

Accepted Answer

A)   resistance
B)   capacitance
C)   hydrodynamic
D)   compliance
E)   fenestratedF) A) and E)
G) A) and B)

Question 9

A mean arterial pressure below 60 mmHg can cause which of the following?

Accepted Answer

A)   Neurogenic shock
B)   Cardiogenic shock
C)   Compensated shock
D)   Cerebral edema
E)   SyncopeF) D) and E)
G) B) and D)

Question 10

Which of the following are not tributaries of the inferior vena cava?

Accepted Answer

A)   The hepatic veins
B)   The internal and external iliac veins
C)   The inferior phrenic veins
D)   The vertebral veins
E)   The lumbar veinsF) C) and D)
G) C) and E) D

Question 11

The radial artery is lateral to the ulnar artery.

Accepted Answer

A) True 
 B)False

Question 12

Blood flow to the __________ remains quite stable even when mean arterial pressure (MAP) fluctuates from 60 to 140 mm Hg.

Accepted Answer

A)   hypothalamus
B)   adrenal gland
C)   stomach
D)   skeletal muscles
E)   kidneysF) D) and E)
G) A) and D)

Question 13

What might account for a soldier experiencing syncope after standing at attention for a long period of time?

Accepted Answer

A)   Increased respiratory rate
B)   Vasoconstriction
C)   Increased heart rate
D)   Venous poolingE) All of the above
F) B) and D)

Question 14

Which of the following is absent in humans?

Accepted Answer

A)   Right and left common carotid arteries
B)   Right and left brachiocephalic arteries
C)   Right and left brachiocephalic veins
D)   Right and left subclavian veins
E)   Right and left subclavian arteriesF) B) and E)
G) A) and C)

Question 15

What is the mean arterial pressure for a person with 110 and 65 mm Hg as systolic and diastolic pressure,respectively?

Accepted Answer

A)   45 mm Hg
B)   80 mm Hg
C)   87.5 mm Hg
D)   90 mm Hg
E)   175 mm HgF) All of the above
G) A) and B)

Question 16

What type of shock occurs when bacterial toxins trigger vasodilation and increase capillary permeability?

Accepted Answer

A)   Compensated
B)   Anaphylactic
C)   Neurogenic
D)   Cardiogenic
E)   SepticF) All of the above
G) A) and E)

Question 17

Pulmonary arteries have __________ blood pressure compared to systemic arteries.

Accepted Answer

A)   similar
B)   a little lower
C)   considerably lower
D)   considerably higher
E)   a little higherF) A) and E)
G) C) and D)

Question 18

What causes reactive hyperemia to increase tissue perfusion?

Accepted Answer

A)   Urinary controls
B)   Neural controls
C)   Hormonal controls
D)   Local controls
E)   Respiratory controlsF) A) and E)
G) None of the above

Question 19

During exercise,arterioles to the skeletal muscles __________.

Accepted Answer

A)   dilate in response to increased muscle metabolites
B)   constrict in response to increased muscle metabolites
C)   dilate in response to increased O2 and decreased CO2
D)   constrict in response to increased O2 and decreased CO2E) B) and C)
F) A) and C)

Question 20

Which of the following statements about TIAs and CVAs is true?

Accepted Answer

A)   TIAs are often early warning signs of an impending stroke.
B)   TIAs are the result of brain tissue death caused by ischemia.
C)   A CVA usually results from spasms of diseased cerebral arteries.
D)   TIAs often result in blindness and paralysis.E) None of the above
F) A) and B)

Exam 20: The Circulatory System: Blood Vessels and Circulation

A nurse takes your blood pressure and tells you the numbers are 110/70.What are your blood pressures?

Correct AnswerverifiedShow Answer

What is the most important force in venous flow?

Correct AnswerverifiedB

Where is the vasomotor center located?

Correct AnswerverifiedShow Answer

Which of the following constitutes the principal venous drainage of the thoracic organs?

Correct AnswerverifiedB

The pulmonary circuit is the only route in which arteries carry less oxygen than veins.

Correct AnswerverifiedShow Answer

How many pulmonary arteries empty into the right atrium of the heart?

Correct AnswerverifiedShow Answer

Blood filtered through the hepatic sinusoids exits the liver via the hepatic veins.

Correct AnswerverifiedShow Answer

Arteries are sometimes called the __________ vessels of the cardiovascular system because they have strong-resilient tissue structure.

Correct AnswerverifiedShow Answer

A mean arterial pressure below 60 mmHg can cause which of the following?

Correct AnswerverifiedShow Answer

Which of the following are not tributaries of the inferior vena cava?

Correct AnswerverifiedD

The radial artery is lateral to the ulnar artery.

Correct AnswerverifiedShow Answer

Blood flow to the __________ remains quite stable even when mean arterial pressure (MAP) fluctuates from 60 to 140 mm Hg.

Correct AnswerverifiedShow Answer

What might account for a soldier experiencing syncope after standing at attention for a long period of time?

Correct AnswerverifiedShow Answer

Which of the following is absent in humans?

Correct AnswerverifiedShow Answer

What is the mean arterial pressure for a person with 110 and 65 mm Hg as systolic and diastolic pressure,respectively?

Correct AnswerverifiedShow Answer

What type of shock occurs when bacterial toxins trigger vasodilation and increase capillary permeability?

Correct AnswerverifiedShow Answer

Pulmonary arteries have __________ blood pressure compared to systemic arteries.

Correct AnswerverifiedShow Answer

What causes reactive hyperemia to increase tissue perfusion?

Correct AnswerverifiedShow Answer

During exercise,arterioles to the skeletal muscles __________.

Correct AnswerverifiedShow Answer

Which of the following statements about TIAs and CVAs is true?

Correct AnswerverifiedShow Answer

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B

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B

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D

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