Question 1

From the heart to body tissues, which of the following sequences of vessels is correct?

Accepted Answer

A)   Muscular artery, arteriole, elastic artery, capillary
B)   Arteriole, muscular artery, elastic artery, capillary
C)   Elastic artery, muscular artery, arteriole, capillary
D)   Elastic artery, arteriole, muscular artery, capillary
E)   Distributing artery, muscular artery, medium artery, capillaryF) A) and D)
G) A) and B)

Question 2

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) None of the above

Question 3

When blood pressure is greater than the blood colloid osmotic pressure, there is

Accepted Answer

A)   a net movement of fluid into the capillary.
B)   a net movement of fluid out of the capillary.
C)   less lymph formed.
D)   a decrease in the volume of the interstitial fluid.
E)   a decreased likelihood of edema.F) A) and B)
G) A) and C)

Question 4

Which of the following events would cause a decrease in mean arterial blood pressure?

Accepted Answer

A)   An increase in ADH production
B)   Release of atrial natriuretic factor
C)   Constriction of blood vessels in the skin
D)   Activation of the renin-angiotensin mechanism
E)   An increase in aldosterone productionF) A) and C)
G) C) and D)

Question 5

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) All of the above
F) A) and D)

Question 6

When comparing veins and arteries of the same diameter, which of the following statements is not true?

Accepted Answer

A)   Veins have thinner walls.
B)   Veins have valves.
C)   Veins have fewer smooth muscle fibers.
D)   Veins have a larger lumen.
E)   Veins have more elastic tissue.F) A) and E)
G) B) and C)

Question 7

The internal jugular veins join the subclavian veins to form the ________.

Accepted Answer

A)   superior vena cava
B)   axillary veins
C)   brachiocephalic veins
D)   azygos veins
E)   external jugular veinsF) A) and C)
G) C) and E)

Question 8

The ________ vein connects the basilic vein and cephalic vein.

Accepted Answer

A)   axillary
B)   subclavian
C)   brachial
D)   median antebrachial
E)   median cubitalF) B) and E)
G) A) and B)

Question 9

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

Question 10

Match the term with the appropriate description.
-Arteriosclerosis

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

Question 11

Which of the following would lead to relaxation of the precapillary sphincter?

Accepted Answer

A)   Decreased tissue metabolism
B)   Decreased O2 levels in tissue cells served by the capillary
C)   Decreased CO2 concentration in the capillary bed
D)   Decreased lactate production by cells in the capillary bed
E)   Decreased nitric acid levelsF) All of the above
G) A) and D)

Question 12

Which of the following statements about laminar blood flow is true?

Accepted Answer

A)   The innermost layer of blood moves at the lowest velocity.
B)   Laminar blood flow occurs when blood flows past an area of constriction.
C)   The outermost layer of blood experiences the greatest resistance to flow.
D)   In laminar blood flow, the rapid rate of blood flow exceeds critical velocity.
E)   It makes lots of different noises.F) C) and D)
G) B) and D)

Question 13

Capillary walls serve as effective permeability barriers for ________.

Accepted Answer

A)   oxygen and carbon dioxide
B)   electrolytes
C)   glucose
D)   proteins
E)   small water-soluble moleculesF) C) and D)
G) B) and D)

Question 14

Which layer of an artery wall contains endothelium?

Accepted Answer

A)   Tunica intima
B)   Tunica media
C)   Tunica adventitia
D)   Tunica elastica
E)   Tunica intermediaF) D) and E)
G) B) and C)

Question 15

Which of the following arteries is part of a circulatory pathway to the brain?

Accepted Answer

A)   Radial artery
B)   Cephalic artery
C)   Internal carotid artery
D)   External jugular vein
E)   Axillary arteryF) A) and B)
G) C) and E)

Question 16

The three major arteries of the upper limb that form a continuum are the ________.

Accepted Answer

A)   brachial, radial, and ulnar arteries
B)   brachial, axillary, and radial arteries
C)   subclavian, axillary, and radial arteries
D)   subclavian, axillary, and brachial arteries
E)   cephalic, basilic, and brachial arteriesF) C) and D)
G) None of the above

Question 17

The vein that ascends along the medial side of the lower limb to the femoral vein is the ________ saphenous vein, and the vein that ascends along the posterior aspect of the leg to the popliteal vein is the ________ saphenous vein.

Accepted Answer

A)   small; great
B)   internal; external
C)   external; internal
D)   great; smallE) A) and B)
F) A) and C)

Question 18

The hepatic portal system

Accepted Answer

A)   begins and ends with capillary beds.
B)   transports nutrients from the digestive tract to the liver.
C)   allows the liver to detoxify substances entering the body through the digestive tract.
D)   has no pumping mechanism between the capillary beds.
E)   All of the choices are correct.F) A) and D)
G) C) and E)

Question 19

Fill in the missing blood vessel.
Vertebral artery; ________; posterior cerebral artery

Accepted Answer

The answer of Fill in the missing blood vessel.
Vertebral artery;...

Question 20

Where is the vasomotor center located?

Accepted Answer

A)   Pons and medulla oblongata
B)   Pons and midbrain
C)   Cerebrum and medulla oblongata
D)   Medulla oblongataE) A) and B)
F) A) and C)

Exam 21: Cardiovascular System: Blood Vessels and Circulation

The internal jugular veins join the subclavian veins to form the ________.

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Capillary walls serve as effective permeability barriers for ________.

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Fill in the missing blood vessel. Vertebral artery; ________; posterior cerebral artery

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From the heart to body tissues, which of the following sequences of vessels is correct?

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

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The hepatic portal system

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When blood pressure is greater than the blood colloid osmotic pressure, there is

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Which of the following would lead to relaxation of the precapillary sphincter?

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The three major arteries of the upper limb that form a continuum are the ________.

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Which of the following arteries is part of a circulatory pathway to the brain?

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Match the term with the appropriate description. -Arteriosclerosis

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Which of the following statements about laminar blood flow is true?

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When comparing veins and arteries of the same diameter, which of the following statements is not true?

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Which of the following events would cause a decrease in mean arterial blood pressure?

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Where is the vasomotor center located?

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The vein that ascends along the medial side of the lower limb to the femoral vein is the ________ saphenous vein, and the vein that ascends along the posterior aspect of the leg to the popliteal vein is the ________ saphenous vein.

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

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The ________ vein connects the basilic vein and cephalic vein.

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Which layer of an artery wall contains endothelium?

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

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The vein that ascends along the medial side of the lower limb to the femoral vein is the saphenous vein, and the vein that ascends along the posterior aspect of the leg to the popliteal vein is the saphenous vein.

Correct Answer
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