Question 1

The auscultatory method of measuring blood pressure

Accepted Answer

A)   relies on the insertion of a cannula into the vessel in which pressure is being measured.
B)   monitors the oscillations in the blood vessel during changes in pressure.
C)   involves an electronic transducer attached to a mercury manometer.
D)   relies on hearing Korotkoff sounds through a stethoscope.
E)   relies on hearing the sounds made by laminar flow of the blood.F) None of the above
G) A) and D)

Question 2

When the blood pressure of a vessel drops below the critical closing pressure for that vessel,

Accepted Answer

A)   there is hypertension.
B)   there is an increase in blood flow.
C)   there is an increase in peripheral resistance.
D)   the vessel collapses.
E)   the vessel expands.F) A) and E)
G) A) and D) D

Question 3

Which type of capillaries have large fenestrae and are found in endocrine glands?

Accepted Answer

A)   sinusoidal capillaries
B)   continuous capillaries
C)   fenestrated capillaries
D)   sinusoidsE) B) and C)
F) A) and C)

Question 4

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 ( ↑\uparrow↑ R  →\rightarrow→   ↑\uparrow↑  Flow) .
E)   does not occur. If it did, blood would not circulate in the blood vessels. F) A) and B)
G) C) and D)

Question 5

Match the vessel with the appropriate description.
-middle 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 D)
G) C) and D)

Question 6

Match the vessel with the appropriate description.
-popliteal 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) All of the above
G) A) and B)

Question 7

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

Accepted Answer

intima

Question 8

Which of the following hormones does NOT influence blood pressure?

Accepted Answer

A)   ADH
B)   epinephrine
C)   atrial natriuretic hormone
D)   aldosterone
E)   growth hormoneF) B) and E)
G) B) and D)

Question 9

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 C)
G) A) and E)

Question 10

Match the term with the best description.
-Poiseuille'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) A) and C)
G) B) and E)

Question 11

All of these will easily diffuse across the plasma membrane EXCEPT:

Accepted Answer

A)   oxygen
B)   carbon dioxide
C)   steroid hormone
D)   glucoseE) B) and D)
F) B) and C)

Question 12

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) A) and B)
F) A) and C)

Question 13

Which of the following arteries is not part of the cerebral arterial circle (circle of Willis) ?

Accepted Answer

A)   anterior communicating artery
B)   posterior cerebellar artery
C)   posterior communicating artery
D)   anterior cerebral artery
E)   internal carotid arteryF) B) and E)
G) B) and C)

Question 14

Blood flow into the deep and superficial palmar arches originates from the ______ and ____ arteries.

Accepted Answer

A)   humeral circumflex; deep brachial
B)   superficial palmar arch; digital
C)   brachial; subclavian
D)   axillary; subclavian
E)   radial; ulnarF) A) and B)
G) C) and D)

Question 15

The largest fenestrae are seen in _____ capillaries while the smallest fenestrae are seen in ____ capillaries.

Accepted Answer

A)   fenestrated; sinusoidal
B)   continuous; sinusoidal
C)   continuous; fenestrated
D)   sinusoidal; continuous
E)   sinusoidal; fenestratedF) A) and B)
G) A) and C)

Question 16

The greatest resistance to blood flow and therefore the greatest drop in pressure occurs as blood passes through the ______.

Accepted Answer

A)   venules
B)   large arteries
C)   large veins
D)   arteriolesE) A) and D)
F) A) and C)

Question 17

Match the term with the appropriate description.
-embolism

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

Question 18

Veins that return blood directly to the heart include the

Accepted Answer

A)   brachiocephalic vein.
B)   superior vena cava.
C)   portal vein.
D)   azygos vein.
E)   pulmonary arteries.F) B) and E)
G) A) and E)

Question 19

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

Question 20

Which of the following arteries branches directly from the aortic arch?

Accepted Answer

A)   brachiocephalic artery
B)   coronary artery
C)   pulmonary artery
D)   right subclavian artery
E)   right common carotid arteryF) B) and E)
G) None of the above

Exam 21: Cardiovascular System: Blood Vessels and Circulation

The auscultatory method of measuring blood pressure

Correct AnswerverifiedShow Answer

When the blood pressure of a vessel drops below the critical closing pressure for that vessel,

Correct AnswerverifiedD

Which type of capillaries have large fenestrae and are found in endocrine glands?

Correct AnswerverifiedShow Answer

Resistance in the cardiovascular system

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Match the vessel with the appropriate description. -popliteal artery

Correct AnswerverifiedShow Answer

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

Correct Answerverifiedintima

Which of the following hormones does NOT influence blood pressure?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

All of these will easily diffuse across the plasma membrane EXCEPT:

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following arteries is not part of the cerebral arterial circle (circle of Willis) ?

Correct AnswerverifiedShow Answer

Blood flow into the deep and superficial palmar arches originates from the ______ and ____ arteries.

Correct AnswerverifiedShow Answer

The largest fenestrae are seen in _____ capillaries while the smallest fenestrae are seen in ____ capillaries.

Correct AnswerverifiedShow Answer

The greatest resistance to blood flow and therefore the greatest drop in pressure occurs as blood passes through the ______.

Correct AnswerverifiedShow Answer

Match the term with the appropriate description. -embolism

Correct AnswerverifiedB

Veins that return blood directly to the heart include the

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following arteries branches directly from the aortic arch?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified
D

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
intima

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Blood flow into the deep and superficial palmar arches originates from the __ and arteries.

Correct Answer
verified

The largest fenestrae are seen in _ capillaries while the smallest fenestrae are seen in capillaries.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
B

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified