Question 1

Which of the following opposes the flow of blood back to the heart?

Accepted Answer

A)   vascular resistance
B)   peripheral veins have valves to prevent backflow of blood
C)   muscular pumps squeeze veins and move blood toward the heart
D)   blood pressure
E)   blood pressure gradient from arteries to veins

Question 2

The ________ receives blood from the diaphragm.

Accepted Answer

A)   pleural vein
B)   phrenic vein
C)   inferior vena cava
D)   celiac trunk
E)   inferior mesenteric vein

Question 3

Partial constriction due to constant sympathetic stimulation of blood vessels is known as

Accepted Answer

A)   vasoconstriction.
B)   vasodilation.
C)   arteriosclerosis.
D)   vasomotor tone.
E)   aortic reflex.

Question 4

What structure do RBCs move through single-file?

Accepted Answer

A)   artery
B)   arteriole
C)   capillary
D)   venule
E)   vein C

Question 5

Figure 21-1 Arteries
 
Use Figure 21-1 to answer the following questions:
-Identify the arteries labeled "9."

Accepted Answer

A)   axillary
B)   brachiocephalic
C)   common carotid
D)   aorta
E)   brachial

Question 6

Veins from the spleen, pancreas, and lateral border of the stomach unite to form the

Accepted Answer

A)   celiac trunk.
B)   hepatic portal vein.
C)   splenic vein.
D)   gastric vein.
E)   superior mesenteric vein. C

Question 7

Blood flow to a tissue will increase if the

Accepted Answer

A)   level of oxygen at the tissue increases.
B)   level of carbon dioxide at the tissue decreases.
C)   veins constrict.
D)   arterioles dilate.
E)   arterioles constrict.

Question 8

The difference between the systolic and diastolic pressures is called the ________ pressure.

Accepted Answer

A)   critical closing
B)   mean arterial
C)   pulse
D)   blood
E)   circulatory

Question 9

Figure 21-1 Arteries
 
Use Figure 21-1 to answer the following questions:
-Identify the artery labeled "16."

Accepted Answer

A)   axillary
B)   inferior mesenteric
C)   celiac
D)   superior mesenteric
E)   splenic

Question 10

The bronchial arteries branch from the ________ to supply the lung airways.

Accepted Answer

A)   pulmonary arteries
B)   thoracic aorta
C)   pulmonary veins
D)   pleural arteries
E)   brachiocephalic trunk

Question 11

The blood vessel that supplies blood to the muscles and other tissues of the neck, shoulder, and upperback is the

Accepted Answer

A)   brachiocephalic trunk.
B)   common carotid artery.
C)   jugular vein.
D)   thyrocervical trunk.
E)   axillary artery.

Question 12

Points where a muscular artery can be compressed against a bone to control severe bleeding are called

Accepted Answer

A)   decompression points.
B)   palpation points.
C)   diastolic points.
D)   regulation points.
E)   pressure points.

Question 13

When carotid and aortic baroreceptors reduce their output,

Accepted Answer

A)   heart rate increases.
B)   heart rate decreases.
C)   stroke volume increases.
D)   both heart rate and stroke volume increase.
E)   the heart rate will decrease to lower blood pressure. D

Question 14

________ is a bulge, or weakened wall, of an artery.

Accepted Answer

A)   aneurysm
B)   stroke
C)   vascular edema
D)   arteriosclerosis
E)   atherosclerosis

Question 15

Blood moves forward through veins because of all of the following except

Accepted Answer

A)   the pressure in the veins is lower than in the arteries.
B)   pumping by the smooth muscle in the wall of the vein.
C)   the respiratory pump.
D)   valves in the veins preventing the backward flow of blood.
E)   muscular compression.

Question 16

During hemorrhaging, the drop in capillary hydrostatic pressure will ________ NFP, thus ________ reabsorption.

Accepted Answer

A)   increase; reducing
B)   increase; increasing
C)   decrease; reducing
D)   decrease; increasing
E)   stabilize; reducing

Question 17

Each of the following will cause an increase in blood pressure except

Accepted Answer

A)   increased levels of aldosterone.
B)   increased levels of angiotensin II.
C)   increased blood volume.
D)   increased levels of ANP (atrial natriuretic peptide) .
E)   increased levels of ADH (antidiuretic hormone) .

Question 18

Which of the following is a deep vein of the forearm?

Accepted Answer

A)   azygos
B)   hemiazygos
C)   cephalic
D)   radial
E)   basilic

Question 19

The ________ carries nutrient-rich blood into the liver.

Accepted Answer

A)   hepatic artery
B)   gastric vein
C)   myenteric capillaries
D)   hepatic portal vein
E)   superior mesenteric vein

Question 20

Which of the following is true of capillaries compared to other vessels?

Accepted Answer

A)   Blood pressure and velocity are highest.
B)   Blood pressure and cross-sectional area are lowest.
C)   Cross-sectional area is highest and velocity is lowest.
D)   Cross-sectional area is lowest and velocity is highest.
E)   Blood pressure is highest and velocity is lowest.

Exam 21: Blood Vessels and Circulation

Which of the following opposes the flow of blood back to the heart?

Correct AnswerverifiedShow Answer

The ________ receives blood from the diaphragm.

Correct AnswerverifiedShow Answer

Partial constriction due to constant sympathetic stimulation of blood vessels is known as

Correct AnswerverifiedShow Answer

What structure do RBCs move through single-file?

Correct AnswerverifiedC

Figure 21-1 Arteries Use Figure 21-1 to answer the following questions: -Identify the arteries labeled "9."

Correct AnswerverifiedShow Answer

Veins from the spleen, pancreas, and lateral border of the stomach unite to form the

Correct AnswerverifiedC

Blood flow to a tissue will increase if the

Correct AnswerverifiedShow Answer

The difference between the systolic and diastolic pressures is called the ________ pressure.

Correct AnswerverifiedShow Answer

Figure 21-1 Arteries Use Figure 21-1 to answer the following questions: -Identify the artery labeled "16."

Correct AnswerverifiedShow Answer

The bronchial arteries branch from the ________ to supply the lung airways.

Correct AnswerverifiedShow Answer

The blood vessel that supplies blood to the muscles and other tissues of the neck, shoulder, and upperback is the

Correct AnswerverifiedShow Answer

Points where a muscular artery can be compressed against a bone to control severe bleeding are called

Correct AnswerverifiedShow Answer

When carotid and aortic baroreceptors reduce their output,

Correct AnswerverifiedD

________ is a bulge, or weakened wall, of an artery.

Correct AnswerverifiedShow Answer

Blood moves forward through veins because of all of the following except

Correct AnswerverifiedShow Answer

During hemorrhaging, the drop in capillary hydrostatic pressure will ________ NFP, thus ________ reabsorption.

Correct AnswerverifiedShow Answer

Each of the following will cause an increase in blood pressure except

Correct AnswerverifiedShow Answer

Which of the following is a deep vein of the forearm?

Correct AnswerverifiedShow Answer

The ________ carries nutrient-rich blood into the liver.

Correct AnswerverifiedShow Answer

Which of the following is true of capillaries compared to other vessels?

Correct AnswerverifiedShow Answer

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C

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C

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D

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During hemorrhaging, the drop in capillary hydrostatic pressure will NFP, thus reabsorption.

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