Question 1

Blood flow to the skin _ _.

Accepted Answer

A)   is controlled mainly by decreasing pH
B)   is not an important source of nutrients and oxygen for skin cells
C)   increases when body temperature drops so that the skin does not freeze
D)   increases when environmental temperature risesE) B) and C)
F) A) and D)

Question 2

Which of the choices below explains why the arterioles are known as resistance vessels?

Accepted Answer

A)   They distribute blood to various parts of the body.
B)   Their prime function is the exchange of nutrients and wastes between the blood and tissue cells.
C)   They contain a large quantity of elastic tissue.
D)   The contraction and relaxation of the smooth muscle in their walls can change their diameter.E) A) and D)
F) B) and C)

Question 3

The pulse pressure is .

Accepted Answer

A)   systolic pressure divided by diastolic pressure
B)   systolic pressure plus diastolic pressure
C)   diastolic pressure plus 1/3 (systolic pressure plus diastolic pressure) 
D)   systolic pressure minus diastolic pressureE) A) and C)
F) None of the above

Question 4

Peripheral resistance .

Accepted Answer

A)   decreases with increasing length of the blood vessel
B)   increases as blood viscosity increases
C)   increases as blood vessel diameter increases
D)   is not a major factor in blood pressure in healthy individualsE) B) and C)
F) A) and C)

Question 5

A patient with essential hypertension might have pressures of 200/120 mm Hg. This hypertensive state could result in all of the following changes except .

Accepted Answer

A)   decreased size of the heart muscle
B)   increased incidence of coronary artery disease
C)   increased damage to blood vessel endothelium
D)   increased work of the left ventricleE) B) and C)
F) None of the above

Question 6

Figure 19.1Using Figure 19.1, match the following:
-Capillary that may contain Kupffer cells in the lining.

Accepted Answer

The answer of  Figure 19.1Using Figure 19.1, match the...

Question 7

Figure 19.2Using Figure 19.2, match the following:
-Right gastroepiploic vein.

Accepted Answer

The answer of  Figure 19.2Using Figure 19.2, match the...

Question 8

Select the correct statement about factors that influence blood pressure.

Accepted Answer

A)   Systemic vasodilation would increase blood pressure, due to diversion of blood to essential areas.
B)   Excess protein production would decrease blood pressure.
C)   An increase in cardiac output corresponds to a decrease in blood pressure, due to the increased delivery.
D)   Excess red cell production would cause a blood pressure increase.E) A) and B)
F) C) and D)

Question 9

An increase in blood viscosity will cause an increase in peripheral resistance.

Accepted Answer

A) True 
 B)False

Question 10

The short- term controls of blood pressure, mediated by the nervous system and bloodborne chemicals, primarily operate via all but which of the following?

Accepted Answer

A)   reflex arcs associated with vasomotor fibers
B)   reflex arcs involving baroreceptors
C)   chemoreceptors
D)   altering blood volumeE) A) and B)
F) A) and C)

Question 11

Figure 19.2Using Figure 19.2, match the following:
-Inferior mesenteric vein.

Accepted Answer

The answer of  Figure 19.2Using Figure 19.2, match the...

Question 12

Histologically, the is squamous epithelium supported by a sparse connective tissue layer.

Accepted Answer

A)   tunica adventitia
B)   tunica intima
C)   tunica externa
D)   tunica mediaE) A) and B)
F) B) and C)

Question 13

Figure 19.2Using Figure 19.2, match the following:
-The internal carotid arteries supply the with blood.

Accepted Answer

The answer of  Figure 19.2Using Figure 19.2, match the...

Question 14

Which of the following processes provides a long- term response to changes in blood pressure?

Accepted Answer

A)   neural controls
B)   renal regulation
C)   chemoreceptor- initiated reflexes
D)   baroreceptor- initiated reflexesE) A) and C)
F) None of the above

Question 15

Which of the following are involved directly in pulmonary circulation?

Accepted Answer

A)   right ventricle, pulmonary artery, and left atrium
B)   left ventricle, aorta, and inferior vena cava
C)   superior vena cava, right atrium, and left ventricle
D)   right atrium, aorta, and left ventricleE) C) and D)
F) A) and B)

Question 16

Brain blood flow autoregulation .

Accepted Answer

A)   is abolished when abnormally high CO2 levels persist
B)   is controlled by cardiac centers in the pons
C)   causes constriction of cerebral blood vessels in response to a drop in systemic blood pressure
D)   is less sensitive to pH than to a decreased oxygen levelE) C) and D)
F) All of the above

Question 17

Figure 19.2Using Figure 19.2, match the following:
-Superior mesenteric vein.

Accepted Answer

The answer of  Figure 19.2Using Figure 19.2, match the...

Question 18

The influence of blood vessel diameter on peripheral resistance is .

Accepted Answer

A)   significant because resistance is directly proportional to the blood vessel diameter
B)   insignificant because vessel diameter does not vary
C)   the only factor that influences resistance
D)   significant because resistance is inversely proportional to the fourth power of the vessel radiusE) All of the above
F) A) and C)

Question 19

Figure 19.1Using Figure 19.1, match the following:
-Capillary with intercellular clefts found in the skin and muscles.

Accepted Answer

The answer of  Figure 19.1Using Figure 19.1, match the...

Question 20

At the battle of Shiloh in the American Civil War, Confederate General A. S. Johnston was killed when he was shot in the thigh. Witnesses reported that he bled to death almost before he realized that he was wounded. Which blood vessel was most likely to have been injured? Why is a tourniquet usually ineffective in stopping the bleeding from this wound?

Accepted Answer

The wound severed his femoral artery, th...

Exam 19: The Cardiovascular System: Blood Vessels

Histologically, the is squamous epithelium supported by a sparse connective tissue layer.

Correct Answer
verified

A patient with essential hypertension might have pressures of 200/120 mm Hg. This hypertensive state could result in all of the following changes except .

Correct Answer
verified

Figure 19.2Using Figure 19.2, match the following: -The internal carotid arteries supply the with blood.

Correct Answer
verified

The influence of blood vessel diameter on peripheral resistance is .

Correct Answer
verified

Figure 19.2Using Figure 19.2, match the following: -Inferior mesenteric vein.

Correct Answer
verified

An increase in blood viscosity will cause an increase in peripheral resistance.

Correct Answer
verified

Correct Answer
verified
The wound severed his femoral artery, th...
View Answer

Blood flow to the skin _ _.

Correct Answer
verified

Select the correct statement about factors that influence blood pressure.

Correct Answer
verified

Which of the choices below explains why the arterioles are known as resistance vessels?

Correct Answer
verified

Which of the following are involved directly in pulmonary circulation?

Correct Answer
verified

Figure 19.1Using Figure 19.1, match the following: -Capillary with intercellular clefts found in the skin and muscles.

Correct Answer
verified

Figure 19.2Using Figure 19.2, match the following: -Right gastroepiploic vein.

Correct Answer
verified

Figure 19.1Using Figure 19.1, match the following: -Capillary that may contain Kupffer cells in the lining.

Correct Answer
verified

The pulse pressure is .

Correct Answer
verified

Which of the following processes provides a long- term response to changes in blood pressure?

Correct Answer
verified

Brain blood flow autoregulation .

Correct Answer
verified

Figure 19.2Using Figure 19.2, match the following: -Superior mesenteric vein.

Correct Answer
verified

The short- term controls of blood pressure, mediated by the nervous system and bloodborne chemicals, primarily operate via all but which of the following?

Correct Answer
verified

Peripheral resistance .

Correct Answer
verified

Exam 19: The Cardiovascular System: Blood Vessels

Histologically, the is squamous epithelium supported by a sparse connective tissue layer.

Correct AnswerverifiedShow Answer

A patient with essential hypertension might have pressures of 200/120 mm Hg. This hypertensive state could result in all of the following changes except .

Correct AnswerverifiedShow Answer

Figure 19.2Using Figure 19.2, match the following: -The internal carotid arteries supply the with blood.

Correct AnswerverifiedShow Answer

The influence of blood vessel diameter on peripheral resistance is .

Correct AnswerverifiedShow Answer

Figure 19.2Using Figure 19.2, match the following: -Inferior mesenteric vein.

Correct AnswerverifiedShow Answer

An increase in blood viscosity will cause an increase in peripheral resistance.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedThe wound severed his femoral artery, th...View AnswerShow Answer

Blood flow to the skin _ _.

Correct AnswerverifiedShow Answer

Select the correct statement about factors that influence blood pressure.

Correct AnswerverifiedShow Answer

Which of the choices below explains why the arterioles are known as resistance vessels?

Correct AnswerverifiedShow Answer

Which of the following are involved directly in pulmonary circulation?

Correct AnswerverifiedShow Answer

Figure 19.1Using Figure 19.1, match the following: -Capillary with intercellular clefts found in the skin and muscles.

Correct AnswerverifiedShow Answer

Figure 19.2Using Figure 19.2, match the following: -Right gastroepiploic vein.

Correct AnswerverifiedShow Answer

Figure 19.1Using Figure 19.1, match the following: -Capillary that may contain Kupffer cells in the lining.

Correct AnswerverifiedShow Answer

The pulse pressure is .

Correct AnswerverifiedShow Answer

Which of the following processes provides a long- term response to changes in blood pressure?

Correct AnswerverifiedShow Answer

Brain blood flow autoregulation .

Correct AnswerverifiedShow Answer

Figure 19.2Using Figure 19.2, match the following: -Superior mesenteric vein.

Correct AnswerverifiedShow Answer

The short- term controls of blood pressure, mediated by the nervous system and bloodborne chemicals, primarily operate via all but which of the following?

Correct AnswerverifiedShow Answer

Peripheral resistance .

Correct AnswerverifiedShow Answer

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Correct Answer
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verified
The wound severed his femoral artery, th...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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