Question 1

The kidneys are supplied by the

Accepted Answer

A)  renal arteries.
B)  suprarenal arteries.
C)  lumbar arteries.
D)  inferior mesenteric arteries.E) A) and B)
F) C) and D)

Question 2

In a capillary bed,relaxation of the precapillary sphincter

Accepted Answer

A)  causes more blood flow through thoroughfare channels.
B)  causes less blood to flow through capillaries.
C)  occurs when the tissue in the area does not need more oxygen.
D)  is voluntary.
E)  occurs when the tissue in the area needs more oxygen.F) A) and E)
G) C) and D)

Question 3

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

Question 4

Match the vessel with the appropriate description.
-posterior 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 B)
G) A) and C)

Question 5

What do the left common carotid,brachiocephalic artery and left subclavian all have in common?

Accepted Answer

A)   The all are found in the abdominal cavity
B)   They all carry blood to the head.
C)   They are coronary vessels.
D)   What do the left common carotid,brachiocephalic artery and left subclavian all have in common?E) A) and B)
F) All of the above

Question 6

Match the term with the best description.
-vascular compliance

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

Question 7

Arteriosclerosis results in decreased compliance,which in turn causes the pulse pressure to

Accepted Answer

A)  increase.
B)  decrease.
C)  increase,then decrease.
D)  decrease,then increase.
E)  remain the same.F) None of the above
G) B) and D)

Question 8

A thrombus in the first branch (not including coronary arteries) off of the aortic arch might affect the flow of blood to which of the following structures?

Accepted Answer

A)  right arm
B)  right side of the brain
C)  left side of the brain
D)  left arm
E)  both the right arm and the right side of the brainF) A) and E)
G) C) and E)

Question 9

The chemoreceptor reflexes help maintain homeostasis

Accepted Answer

A)  under normal conditions.
B)  when carbon dioxide levels increase.
C)  when stimulated by changes in blood osmotic pressure.
D)  when epinephrine levels increase.
E)  when hydrogen ion concentrations decrease.F) C) and E)
G) A) and D)

Question 10

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) A) and D)
G) A) and E)

Question 11

Which of the following is NOT a pericapillary cell found in capillaries?

Accepted Answer

A)  macrophages
B)  neurons
C)  undifferentiated smooth muscle cells
D)  fibroblastsE) A) and D)
F) A) and B)

Question 12

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

Question 13

Systemic circulation

Accepted Answer

A)  carries blood from the right ventricle to the lungs.
B)  includes all arteries but the veins are part of the pulmonary circulation pathway.
C)  includes the aorta and all of its branches.
D)  ends in capillaries of the toes.
E)  includes blood flow to the body,but not the brain.F) All of the above
G) None of the above

Question 14

Match the vessel with the appropriate description.
-external jugular vein

Accepted Answer

A)  drains blood from the arm
B)  superficial vein of the head and neck
C)  the posterior intercostals veins join this vein on the right side of the body
D)  deep vein that drains blood from the cranial vault
E)  formed by the union of the internal jugular and the subclavian veinsF) A) and D)
G) D) and E)

Question 15

A direct connection between an arteriole and a venule without an intervening capillary bed is a(an)

Accepted Answer

A)  venous sinus.
B)  arteriovenous anastomosis.
C)  metarteriole.
D)  arterial capillary.E) B) and C)
F) None of the above

Question 16

In which of the following clinical situations would you expect edema?

Accepted Answer

A)  shock (which is accompanied by low blood pressure) 
B)  burns (which result in increased capillary permeability to plasma proteins) 
C)  dehydration (which results in low blood pressure) 
D)  vomiting (which leads to a decreased plasma volume) 
E)  diarrhea (which leads to a decreased blood volume) F) B) and D)
G) A) and B)

Question 17

Match the term with the appropriate description.
-necrotic tissue

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

Question 18

The first blood vessels that branch from the ascending aorta are the

Accepted Answer

A)  coronary arteries.
B)  brachiocephalic arteries.
C)  common carotid arteries.
D)  subclavian arteries.
E)  pulmonary arteries.F) C) and D)
G) B) and C)

Question 19

Which of the following acts as a storage area for blood?

Accepted Answer

A)  the aorta
B)  the veins
C)  capillaries
D)  arterioles
E)  the arteriesF) A) and E)
G) A) and D)

Question 20

Match the term with the best description.
-thoroughfare channels

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

Exam 21: Cardiovascular System: Blood Vessels and Circulation

The kidneys are supplied by the

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Match the term with the best description. -vascular compliance

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Which of the following is NOT a pericapillary cell found in capillaries?

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A direct connection between an arteriole and a venule without an intervening capillary bed is a(an)

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In which of the following clinical situations would you expect edema?

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Match the term with the best description. -thoroughfare channels

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What do the left common carotid,brachiocephalic artery and left subclavian all have in common?

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

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In a capillary bed,relaxation of the precapillary sphincter

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The first blood vessels that branch from the ascending aorta are the

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The chemoreceptor reflexes help maintain homeostasis

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A thrombus in the first branch (not including coronary arteries) off of the aortic arch might affect the flow of blood to which of the following structures?

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

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Match the vessel with the appropriate description. -external jugular vein

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Systemic circulation

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Arteriosclerosis results in decreased compliance,which in turn causes the pulse pressure to

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The auscultatory method of measuring blood pressure

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Match the term with the appropriate description. -necrotic tissue

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Which of the following acts as a storage area for blood?

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Resistance in the cardiovascular system

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

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