Question 1

Urine output usually decreases when a person is in shock. This is the result of

Accepted Answer

A)   decreased ADH secretion.
B)   increased renin secretion.
C)   increased secretion of atrial natriuretic factor.
D)   decreased vasoconstriction due to the stress relaxation response.
E)   decreased aldosterone secretion.F) B) and D)
G) A) and C)

Question 2

Which of the following factors assists in the return of venous blood to the heart?
(1)  Arterial dilation
(2)  Valves in the veins
(3)  Sympathetic stimulation
(4)  Compression of veins by muscular movements

Accepted Answer

A)   1 and 2
B)   1, 2, 3
C)   1, 2, 3, 4
D)   2, 3, 4
E)   1, 3, 4F) B) and D)
G) A) and D)

Question 3

Use the following key to choose the most correct answer.
-(1)  Blood pressure in the aorta;
(2)  Blood pressure in the superior vena cava

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) A) and C)

Question 4

Which of the following enhances the exchange between capillary walls and the interstitial spaces?

Accepted Answer

A)   The thinness of the capillary wall
B)   Minimal branching in the capillary bed
C)   Increased blood velocity through the capillaries
D)   The high pressure in the interstitial spaces
E)   The stratification of the capillary wallF) D) and E)
G) A) and B)

Question 5

Which of the following organs would be most likely to contain fenestrated capillaries?

Accepted Answer

A)   Spleen
B)   Kidney
C)   Bone marrow
D)   Muscle
E)   PancreasF) All of the above
G) B) and D)

Question 6

The distribution of blood volume in veins are arteries is very close to equal.

Accepted Answer

A) True 
 B)False

Question 7

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 arteriesF) None of the above
G) D) and E)

Question 8

Match the term with the best description.
-Continuous capillaries

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) A) and E)

Question 9

Which of the following would increase resistance to blood flow?

Accepted Answer

A)   A decrease in the length of the vessel
B)   A decrease in the number of red blood cells
C)   A decrease in blood viscosity
D)   A decrease in the radius of the vessel
E)   A decreased hematocritF) C) and D)
G) A) and B)

Question 10

The lining of a capillary is called the ________.

Accepted Answer

A)   endothelium
B)   adventitia
C)   pericapillary layer
D)   thoroughfare layer
E)   tunica adventitiaF) A) and E)
G) A) and D)

Question 11

A patient was administered drugs to reduce her heart rate. Which of the following conditions was she likely to have experienced, and what other factor could be altered to enhance the current treatment?

Accepted Answer

A)   The patient most likely has hypertension, and stimulation of vasodilation would also help lower her blood pressure.
B)   The patient most likely has hypertension, and stimulation of vasoconstriction would also help lower her blood pressure.
C)   The patient most likely has low blood pressure, and stimulation of vasodilation would also help increase her blood pressure.
D)   The patient most likely has low blood pressure, and stimulation of vasoconstriction would also help increase her blood pressure.E) All of the above
F) A) and C)

Question 12

Match the artery with the appropriate description.
-Superior phrenic artery

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) None of the above
G) A) and D)

Question 13

Blood from the posterior abdominal wall drains into the ________.

Accepted Answer

A)   hepatic portal vein
B)   inferior vena cava
C)   ascending lumbar veins
D)   mesenteric vein
E)   hepatic veinF) A) and B)
G) A) and C)

Question 14

What is the order of the blood vessels that a red blood cell would pass through as the blood leaves the heart, travels to a tissue, and then returns to the heart?

Accepted Answer

A)   Arteriole, artery, capillary, vein, venule
B)   Capillary, arteriole, artery, vein, venule
C)   Artery, arteriole, capillary, venule, vein
D)   Vein, capillary, artery, arteriole, venule
E)   Artery, venule, capillary, arteriole, veinF) B) and C)
G) C) and D)

Question 15

Match the structure with the appropriate description.
-Basilar 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) None of the above
G) C) and D)

Question 16

The viscosity of blood is influenced largely by ________, which is the percentage of the total blood volume composed of red blood cells.

Accepted Answer

The answer of The viscosity of blood is influenced largely...

Question 17

Match the term with the appropriate description.
-Infarct

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

Question 18

The velocity of blood flow inside a blood vessel

Accepted Answer

A)   is equal to the blood pressure.
B)   is faster in the center of the blood vessel.
C)   is most rapid at a bend or turn in the vessel.
D)   increases along the walls of the blood vessel.
E)   is more rapid along the sides of the vessel.F) D) and E)
G) A) and B)

Question 19

Match the vessel with the appropriate description.
-Cerebral arterial circle

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) None of the above
G) A) and E)

Question 20

What is the most important means by which capillary exchange occurs?

Accepted Answer

A)   Exocytosis
B)   Diffusion
C)   ATP powered pumps
D)   Facilitated diffusionE) A) and C)
F) B) and C)

Exam 21: Cardiovascular System: Blood Vessels and Circulation

Match the structure with the appropriate description. -Basilar artery

Correct AnswerverifiedShow Answer

Which of the following would increase resistance to blood flow?

Correct AnswerverifiedShow Answer

Match the vessel with the appropriate description. -Cerebral arterial circle

Correct AnswerverifiedShow Answer

The distribution of blood volume in veins are arteries is very close to equal.

Correct AnswerverifiedShow Answer

Use the following key to choose the most correct answer. -(1) Blood pressure in the aorta; (2) Blood pressure in the superior vena cava

Correct AnswerverifiedShow Answer

The velocity of blood flow inside a blood vessel

Correct AnswerverifiedShow Answer

Match the term with the best description. -Continuous capillaries

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following factors assists in the return of venous blood to the heart? (1) Arterial dilation (2) Valves in the veins (3) Sympathetic stimulation (4) Compression of veins by muscular movements

Correct AnswerverifiedShow Answer

The lining of a capillary is called the ________.

Correct AnswerverifiedShow Answer

Match the artery with the appropriate description. -Superior phrenic artery

Correct AnswerverifiedShow Answer

A patient was administered drugs to reduce her heart rate. Which of the following conditions was she likely to have experienced, and what other factor could be altered to enhance the current treatment?

Correct AnswerverifiedShow Answer

What is the order of the blood vessels that a red blood cell would pass through as the blood leaves the heart, travels to a tissue, and then returns to the heart?

Correct AnswerverifiedShow Answer

Which of the following organs would be most likely to contain fenestrated capillaries?

Correct AnswerverifiedShow Answer

What is the most important means by which capillary exchange occurs?

Correct AnswerverifiedShow Answer

Which of the following enhances the exchange between capillary walls and the interstitial spaces?

Correct AnswerverifiedShow Answer

Urine output usually decreases when a person is in shock. This is the result of

Correct AnswerverifiedShow Answer

The viscosity of blood is influenced largely by ________, which is the percentage of the total blood volume composed of red blood cells.

Correct AnswerverifiedShow Answer

Blood from the posterior abdominal wall drains into the ________.

Correct AnswerverifiedShow Answer

Match the term with the appropriate description. -Infarct

Correct AnswerverifiedShow Answer

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