Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

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

Question 3

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 level 
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 level

Question 4

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 ventricle 
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 ventricle

Question 5

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...

Question 6

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

Accepted Answer

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

Question 7

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...

Question 8

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 media 
A)  tunica adventitia 
B)  tunica intima 
C)  tunica externa 
D)  tunica media

Question 9

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 radius 
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 radius

Question 10

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 ventricle 
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 ventricle

Question 11

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 reflexes 
A)  neural controls 
B)  renal regulation 
C)  chemoreceptor- initiated reflexes 
D)  baroreceptor- initiated reflexes

Question 12

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...

Question 13

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. 
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.

Question 14

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. 
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.

Question 15

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 rises 
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 rises

Question 16

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

Accepted Answer

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

Question 17

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 individuals 
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 individuals

Question 18

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

Accepted Answer

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

Question 19

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 pressure 
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 pressure

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

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

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

Brain blood flow autoregulation .

Which of the following are involved directly in pulmonary circulation?

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

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

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

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

The influence of blood vessel diameter on peripheral resistance is .

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 .

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

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

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

Select the correct statement about factors that influence blood pressure.

Blood flow to the skin _ _.

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

Peripheral resistance .

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

The pulse pressure is .

The Human Body: an Orientation

Chemistry Comes Alive

Cells: the Living Units

Tissue: the Living Fabric

The Integumentary System

Bones and Skeletal Tissues

The Skeleton

Joints

Muscles and Muscle Tissue

The Muscular System

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System and Reflex Activity

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood

The Cardiovascular System: the Heart

The Lymphatic System and Lymphoid Organs and Tissues

The Immune System: Innate and Adaptive Body Defensives

The Respiratory System

The Digestive System

Nutrition, Metabolism, and Body Temperature Regulation

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive System

Pregnancy and Human Development

Heredity

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