Question 1

The venous valves

Accepted Answer

A)  actively contract to force blood uphill against gravity. 
B)  passively close to prevent the backflow of blood in the veins. 
C)  are positioned at the entrances to the atria. 
D)  both (b) and (c) above. 
E)  all of these answers. 
A)  actively contract to force blood uphill against gravity. 
B)  passively close to prevent the backflow of blood in the veins. 
C)  are positioned at the entrances to the atria. 
D)  both (b) and (c) above. 
E)  all of these answers.

Question 2

The major function of the arterioles is to

Accepted Answer

A)  regulate flow of blood through capillary beds. 
B)  distribute the cardiac output to tissues. 
C)  serve as a pressure reservoir. 
D)  convert the intermittent flow from the heart to a steady outflow. 
E)  both (a) and (b) above. 
A)  regulate flow of blood through capillary beds. 
B)  distribute the cardiac output to tissues. 
C)  serve as a pressure reservoir. 
D)  convert the intermittent flow from the heart to a steady outflow. 
E)  both (a) and (b) above.

Question 3

Indicate what effect the change in question would have on bulk flow using the answer code below:
-reduced synthesis of plasma proteins due to liver disease

Accepted Answer

A) The change would increase ultrafiltration and decrease reabsorption. 
B) The change would decrease ultrafiltration and increase reabsorption. 
C) The change would increase both ultrafiltration and reabsorption. 
D) the change would decrease both ultrafiltration and reabsorption. 
E) The change would not alter ultrafiltration and reabsorption. 
A) The change would increase ultrafiltration and decrease reabsorption. 
B) The change would decrease ultrafiltration and increase reabsorption. 
C) The change would increase both ultrafiltration and reabsorption. 
D) the change would decrease both ultrafiltration and reabsorption. 
E) The change would not alter ultrafiltration and reabsorption.

Question 4

Which of the following factors would produce the greatest change in blood flow?

Accepted Answer

A)  doubling the radius of the vessel. 
B)  doubling the difference in the pressure gradient within the vessel. 
C)  doubling the viscosity of the blood. 
D)  doubling the length of the vessel. 
E)  halving the viscosity of the blood. 
A)  doubling the radius of the vessel. 
B)  doubling the difference in the pressure gradient within the vessel. 
C)  doubling the viscosity of the blood. 
D)  doubling the length of the vessel. 
E)  halving the viscosity of the blood.

Question 5

Which of the following properties pertains to the aorta?

Accepted Answer

A)  radius cannot be changed. 
B)  wall contain a thick layer of smooth muscle. 
C)  responsible for the distribution of blood flow to the various organs. 
D)  the major vessel that contribute to total peripheral resistance. 
E)  richly innervated by sympathetic nerve fibers. 
A)  radius cannot be changed. 
B)  wall contain a thick layer of smooth muscle. 
C)  responsible for the distribution of blood flow to the various organs. 
D)  the major vessel that contribute to total peripheral resistance. 
E)  richly innervated by sympathetic nerve fibers.

Question 6

A major function of the arteries is to serve as a blood reservoir.

Accepted Answer

A) True 
 B)False

Question 7

Arterioles to this organ do not normally show vasoconstriction:

Accepted Answer

A)  skeletal muscles. 
B)  heart. 
C)  skin. 
D)  brain. 
E)  kidney 
A)  skeletal muscles. 
B)  heart. 
C)  skin. 
D)  brain. 
E)  kidney

Question 8

Which is not true of blood pressure:

Accepted Answer

A)  its maximal during ventricular systole. 
B)  it decreases the farther away from the heart. 
C)  it increases with increasing resistance. 
D)  it decreases with increasing vessel diameter. 
E)  it can be increased by direct parasympathetic activity. 
A)  its maximal during ventricular systole. 
B)  it decreases the farther away from the heart. 
C)  it increases with increasing resistance. 
D)  it decreases with increasing vessel diameter. 
E)  it can be increased by direct parasympathetic activity.

Question 9

Mean arterial pressure = ____________________ x ____________________.

Accepted Answer

cardiac ou

Question 10

The pressure measured in the arteries just before the next ventricular ejection of blood is

Accepted Answer

A)  systolic pressure. 
B)  diastolic pressure. 
C)  pulse pressure. 
D)  mean pressure. 
E)  none of these answers. 
A)  systolic pressure. 
B)  diastolic pressure. 
C)  pulse pressure. 
D)  mean pressure. 
E)  none of these answers.

Question 11

Which factor would reduce total peripheral resistance?

Accepted Answer

A)  adrenal medulla hormones. 
B)  angiotensin II. 
C)  increased hematocrit. 
D)  anaphylaxis. 
E)  cardiovascular center activity. 
A)  adrenal medulla hormones. 
B)  angiotensin II. 
C)  increased hematocrit. 
D)  anaphylaxis. 
E)  cardiovascular center activity.

Question 12

Blood flow is affected by

Accepted Answer

A)  pressure differences. 
B)  the viscosity of the blood. 
C)  the amount of friction in the blood vessels. 
D)  the length and diameter of the blood vessels. 
E)  all of these answers. 
A)  pressure differences. 
B)  the viscosity of the blood. 
C)  the amount of friction in the blood vessels. 
D)  the length and diameter of the blood vessels. 
E)  all of these answers.

Question 13

The following questions refer to the accompanying diagram of arteriole vasoconstriction and vasodilation. The diagram shows three state of arteriole tone. The top image labeled "A," shows normal tone. The other two panels labeled "B" and "C" show different state of arteriole tone. Match the statements below with the correct arteriole using A, B, and C.
-Caused by sympathetic stimulation

Accepted Answer

The answer of   
The following questions refer to...

Question 14

Indicate whether arteriolar vasoconstriction or vasodilation would occur in the tissue in question by using the following answer code:
-sympathetic stimulation of kidney arterioles

Accepted Answer

A) would produce arteriolar vasoconstriction 
B) would produce arteriolar vasodilation 
C) would not cause any change in arteriolar caliber 
A) would produce arteriolar vasoconstriction 
B) would produce arteriolar vasodilation 
C) would not cause any change in arteriolar caliber

Question 15

Indicate whether arteriolar vasoconstriction or vasodilation would occur in the tissue in question by using the following answer code:
-application of ice to a sprained ankle

Accepted Answer

A) would produce arteriolar vasoconstriction 
B) would produce arteriolar vasodilation 
C) would not cause any change in arteriolar caliber 
A) would produce arteriolar vasoconstriction 
B) would produce arteriolar vasodilation 
C) would not cause any change in arteriolar caliber

Question 16

Fluid return to a capillary bed is driven by plasma colloid osmotic pressure.

Accepted Answer

A) True 
 B)False

Question 17

The following questions refer to the accompanying diagram of arteriole vasoconstriction and vasodilation. The diagram shows three state of arteriole tone. The top image labeled "A," shows normal tone. The other two panels labeled "B" and "C" show different state of arteriole tone. Match the statements below with the correct arteriole using A, B, and C.
-Small amount of NE constantly released onto arteriole

Accepted Answer

The answer of   
The following questions refer to...

Question 18

The following questions refer to the accompanying diagram of arteriole vasoconstriction and vasodilation. The diagram shows three state of arteriole tone. The top image labeled "A," shows normal tone. The other two panels labeled "B" and "C" show different state of arteriole tone. Match the statements below with the correct arteriole using A, B, and C.
-Caused by application of cold

Accepted Answer

The answer of   
The following questions refer to...

Question 19

Hypertension that occurs because of a known problem of an organ or gland is called _____________.

Accepted Answer

secondary

Question 20

Venous capacity depends on the ____________________ of the vein walls.

Accepted Answer

The answer of Venous capacity depends on the ____________________ of...

The venous valves

The major function of the arterioles is to

Indicate what effect the change in question would have on bulk flow using the answer code below: -reduced synthesis of plasma proteins due to liver disease

Which of the following factors would produce the greatest change in blood flow?

Which of the following properties pertains to the aorta?

A major function of the arteries is to serve as a blood reservoir.

Arterioles to this organ do not normally show vasoconstriction:

Which is not true of blood pressure:

Mean arterial pressure = x .

The pressure measured in the arteries just before the next ventricular ejection of blood is

Which factor would reduce total peripheral resistance?

Blood flow is affected by

Indicate whether arteriolar vasoconstriction or vasodilation would occur in the tissue in question by using the following answer code: -sympathetic stimulation of kidney arterioles

Indicate whether arteriolar vasoconstriction or vasodilation would occur in the tissue in question by using the following answer code: -application of ice to a sprained ankle

Fluid return to a capillary bed is driven by plasma colloid osmotic pressure.

Hypertension that occurs because of a known problem of an organ or gland is called _____________.

Venous capacity depends on the ____________________ of the vein walls.

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System: Afferent Division and Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood and Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid-Base Balance

The Digestive System

Energy Balance and Temperature Regulation

The Endocrine System

The Reproductive System

Filters

Exam 10: The Blood Vessels and Blood Pressure

The venous valves

The major function of the arterioles is to

Indicate what effect the change in question would have on bulk flow using the answer code below: -reduced synthesis of plasma proteins due to liver disease

Which of the following factors would produce the greatest change in blood flow?

Which of the following properties pertains to the aorta?

A major function of the arteries is to serve as a blood reservoir.

Arterioles to this organ do not normally show vasoconstriction:

Which is not true of blood pressure:

Mean arterial pressure = ____________________ x ____________________.

The pressure measured in the arteries just before the next ventricular ejection of blood is

Which factor would reduce total peripheral resistance?

Blood flow is affected by

Indicate whether arteriolar vasoconstriction or vasodilation would occur in the tissue in question by using the following answer code: -sympathetic stimulation of kidney arterioles

Indicate whether arteriolar vasoconstriction or vasodilation would occur in the tissue in question by using the following answer code: -application of ice to a sprained ankle

Fluid return to a capillary bed is driven by plasma colloid osmotic pressure.

Hypertension that occurs because of a known problem of an organ or gland is called _____________.

Venous capacity depends on the ____________________ of the vein walls.

Introduction to Physiology and Homeostasis

Cell Physiology

The Plasma Membrane and Membrane Potential

Principles of Neural and Hormonal Communication

The Central Nervous System

The Peripheral Nervous System: Afferent Division and Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood and Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid-Base Balance

The Digestive System

Energy Balance and Temperature Regulation

The Endocrine System

The Reproductive System

Filters

Mean arterial pressure = x .