Question 1

Use the following key to choose the most correct answer.
-(1)  Velocity of blood flow when cross-sectional area increases
(2)  Velocity of blood flow when cross-sectional area decrease

Accepted Answer

A)  The first item is greater than the second item.
B)  The first item is less than the second item.
C)  The first item is equal or nearly equal to the second item.D) None of the above
E) All of the above

Question 2

In the aorta,

Accepted Answer

A)   the blood pressure and blood velocity are both high.
B)   the velocity of blood flow is high, but blood pressure is low.
C)   the resistance to blood flow is high, but velocity of blood flow is low.
D)   the resistance to blood flow and the blood pressure are both low.
E)   velocity is diminished because the total cross-sectional area is small.F) C) and D)
G) D) and E)

Question 3

Which of the following is LESS likely to result in edema?

Accepted Answer

A)   Increase in capillary permeability
B)   Reduced plasma colloid osmotic pressure
C)   Blockage of veins
D)   Increased mean arterial pressure
E)   Loss of protein molecules in urine through the kidneysF) All of the above
G) A) and B)

Question 4

When measuring blood pressure with a sphygmomanometer, which of the following best describes when blood flow in the brachial artery is turbulent?

Accepted Answer

A)   While the left ventricle is contracting
B)   When pressure in the blood pressure cuff is greater than systolic but less than the diastolic pressure
C)   When pressure in the blood pressure cuff is greater than the diastolic pressure
D)   When pressure in the blood pressure cuff is less than the diastolic pressure
E)   When pressure in the brachial artery is greater than in the blood pressure cuff and greater than the diastolic pressureF) B) and C)
G) B) and D)

Question 5

The vasomotor center

Accepted Answer

A)   regulates the expansion of elastic arteries.
B)   controls the contraction and relaxation of precapillary sphincter muscles.
C)   increases the strength of heart muscle contraction under low O2 conditions.
D)   sends low frequency action potentials to blood vessels to maintain tone.E) A) and B)
F) All of the above

Question 6

When a person rises quickly from a lying position, there is

Accepted Answer

A)   an increase in the frequency of action potentials produced by the baroreceptors.
B)   an increase in vasomotor sympathetic stimulation to the blood vessels causing vasoconstriction.
C)   reflexive slowing of the heart.
D)   an increase of parasympathetic stimulation of the heart.
E)   a decrease in heart rate and stroke volume.F) A) and B)
G) All of the above

Question 7

Match the vessel with the appropriate description.
-Femoral 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) A) and D)
G) None of the above

Question 8

Which of the following veins is NOT involved in draining blood from the arm?

Accepted Answer

A)   Brachial vein
B)   Basilic vein
C)   Cephalic vein
D)   Median cubital veinE) A) and C)
F) C) and D)

Question 9

Considering the distribution of sympathetic and parasympathetic fibers in the peripheral nervous system, damage to which of the following nerves would have the greatest impact on blood vessel walls?

Accepted Answer

A)   Thoracic nerves
B)   Pelvic nerves
C)   Cranial nerves
D)   Both "Pelvic nerves" and "Cranial nerves" are correct.E) A) and B)
F) None of the above

Question 10

The exchange of nutrients and gases between the blood and tissue cells is the primary function of ________.

Accepted Answer

A)   veins
B)   arteries
C)   arterioles
D)   capillaries
E)   venulesF) A) and E)
G) B) and E)

Question 11

Angiotensin II

Accepted Answer

A)   causes vasoconstriction.
B)   stimulates the adrenal cortex to release ADH.
C)   is released in response to high blood pressure.
D)   is responsible for increasing urine output.
E)   stimulates peripheral vasodilation.F) None of the above
G) C) and E)

Question 12

Match the artery with the appropriate description.
-Celiac trunk

Accepted Answer

A)  Supplies blood to the diaphragm
B)  Supplies blood to the esophagus
C)  Supplies blood to the thoracic wall
D)  Supplies blood to the pancreas and small intestine
E)  Supplies blood to the stomach, liver, and spleenF) B) and C)
G) All of the above

Question 13

Capillaries have the slowest velocity because

Accepted Answer

A)   the total cross-sectional area is the smallest.
B)   the resistance is the greatest.
C)   the total cross-sectional area is the largest.
D)   their diameters are the smallest.E) C) and D)
F) All of the above

Question 14

Match the structure with the appropriate description.
-Internal carotid artery

Accepted Answer

A)  Formed when the right and left vertebral arteries unite
B)  Supplies blood to the face, nose, and mouth
C)  Terminates by forming the middle cerebral arteries
D)  Supplies blood to the arm and shoulder regions
E)  Sense organs that monitor blood pressureF) C) and E)
G) D) and E)

Question 15

Epinephrine

Accepted Answer

A)   increases the heart rate but decreases the stroke volume.
B)   causes vasodilation of coronary blood vessels.
C)   causes vasoconstriction of blood vessels in skeletal muscle.
D)   decreases red blood cell count.
E)   decreases the force of contraction.F) A) and C)
G) D) and E)

Question 16

The posterior tibial artery is a continuation of the ________ artery.

Accepted Answer

A)   popliteal
B)   femoral
C)   iliac
D)   peroneal
E)   fibularF) A) and E)
G) A) and D)

Question 17

Match the vessel with the appropriate description.
-Internal iliac 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) None of the above
G) D) and E)

Question 18

A force that attracts fluid into the capillary from the tissue spaces is

Accepted Answer

A)   blood pressure.
B)   negative interstitial pressure.
C)   blood colloid osmotic pressure.
D)   venous pressure.
E)   active transport.F) A) and B)
G) B) and D)

Question 19

The anterior tibial artery becomes the ________ artery.

Accepted Answer

A)   posterior tibial
B)   dorsalis pedis
C)   femoral
D)   plantar
E)   fibularF) A) and B)
G) A) and C)

Question 20

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 ischemiaF) None of the above
G) B) and E)

Exam 21: Cardiovascular System: Blood Vessels and Circulation

Epinephrine

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Which of the following is LESS likely to result in edema?

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Match the vessel with the appropriate description. -Internal iliac artery

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The vasomotor center

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Capillaries have the slowest velocity because

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A force that attracts fluid into the capillary from the tissue spaces is

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Match the term with the appropriate description. -Necrotic tissue

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The posterior tibial artery is a continuation of the ________ artery.

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Match the artery with the appropriate description. -Celiac trunk

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When a person rises quickly from a lying position, there is

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The anterior tibial artery becomes the ________ artery.

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Considering the distribution of sympathetic and parasympathetic fibers in the peripheral nervous system, damage to which of the following nerves would have the greatest impact on blood vessel walls?

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Match the structure with the appropriate description. -Internal carotid artery

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Match the vessel with the appropriate description. -Femoral artery

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Angiotensin II

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Which of the following veins is NOT involved in draining blood from the arm?

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In the aorta,

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Use the following key to choose the most correct answer. -(1) Velocity of blood flow when cross-sectional area increases (2) Velocity of blood flow when cross-sectional area decrease

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When measuring blood pressure with a sphygmomanometer, which of the following best describes when blood flow in the brachial artery is turbulent?

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The exchange of nutrients and gases between the blood and tissue cells is the primary function of ________.

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