Question 1

A local increase in potassium increases the vasodilation of arterioles.

Accepted Answer

A) True 
 B)False

Question 2

A metarteriole is located between an arteriole and venule.

Accepted Answer

A) True 
 B)False

Question 3

Total peripheral resistance is primarily dependent on the degree of arteriolar ____________________.

Accepted Answer

constricti

Question 4

The wall of an artery contains two types of connective tissue fibers: _____________ fibers provide tensile strength and ________________ fibers allow the vessel to recoil after being stretched.

Accepted Answer

The answer of The wall of an artery contains two...

Question 5

For the following questions, choose the appropriate letter from the answer code below to make the statement true.
a.increases
b.inhibits or decreases
c.has no effect on
-Increased sympathetic nerve activity ____ the rate of depolarization of the SA node.

Accepted Answer

The answer of For the following questions, choose the appropriate...

Question 6

Which of the following properties does not pertain to the arterioles?

Accepted Answer

A) Their radii remain constant. 
B) Their walls contain a relatively thick layer of smooth muscle. 
C) They are responsible for the distribution of blood flow to the various organs. 
D) They are the major vessels that contribute to total peripheral resistance. 
E) They are richly innervated by sympathetic nerve fibers. 
A) Their radii remain constant. 
B) Their walls contain a relatively thick layer of smooth muscle. 
C) They are responsible for the distribution of blood flow to the various organs. 
D) They are the major vessels that contribute to total peripheral resistance. 
E) They are richly innervated by sympathetic nerve fibers.

Question 7

Indicate whether arteriolar vasoconstriction or vasodilation would occur in the tissue in question by using the following answer code:
a.produces vasoconstriction
b.produces vasodilation
c.no change in arteriolar caliber
-Occlusion of an artery supplying a particular tissue

Accepted Answer

The answer of Indicate whether arteriolar vasoconstriction or vasodilation would...

Question 8

Which of the following is not a compensation mechanism for blood loss?

Accepted Answer

A) Fluid shift from ICF to plasma 
B) Venous vasoconstriction 
C) Lowered angiotensin II production 
D) Thirst 
E) Increased renal reabsorption of salt and water 
A) Fluid shift from ICF to plasma 
B) Venous vasoconstriction 
C) Lowered angiotensin II production 
D) Thirst 
E) Increased renal reabsorption of salt and water

Question 9

What roles do the kidneys play in blood pressure maintenance? Include the following in your answer: urine, Na⁺, renin, angiotensin II, blood volume, osmotic pressure, and aldosterone.

Accepted Answer

When blood pressure is too low, the kidn

Question 10

Which local chemical factor is not associated with vasodilation of arterioles?

Accepted Answer

A) decreased nitric oxide 
B) increased CO₂ 
C) increased acid 
D) decreased O₂ 
E) increased histamine 
A) decreased nitric oxide 
B) increased CO₂ 
C) increased acid 
D) decreased O₂ 
E) increased histamine

Question 11

The skeletal muscle pump changes venous return by ____________________ (increasing/decreasing) it.

Accepted Answer

The answer of The skeletal muscle pump changes venous return...

Question 12

Use this figure to answer the corresponding questions.
-Which vessel contains blood with the highest concentration of oxygen?
a.vessel 1
b.vessel 2
c.vessel 3
d.vessel 4
e.vessel 5

Accepted Answer

The answer of   
Use this figure to answer...

Question 13

For the following questions, choose the appropriate letter from the answer code below to make the statement true.
a.increases
b.inhibits or decreases
c.has no effect on
-Decreased cardiac output ____ the mean systemic arterial blood pressure.

Accepted Answer

The answer of For the following questions, choose the appropriate...

Question 14

There is normally a net gain of fluid in the capillary at the venular end.

Accepted Answer

A) True 
 B)False

Question 15

During exercise, a larger percentage of the cardiac output travels to the skin and skeletal muscles.

Accepted Answer

A) True 
 B)False

Question 16

For the following questions, choose the appropriate letter from the answer code below to make the statement true.
a.increases
b.inhibits or decreases
c.has no effect on
-Increased heart rate ____ cardiac output.

Accepted Answer

The answer of For the following questions, choose the appropriate...

Question 17

Normally capillary filtration exceeds reabsorption by about ____________________ liters daily.

Accepted Answer

The answer of Normally capillary filtration exceeds reabsorption by about...

Question 18

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) prevent blood from flowing into lymphatic vessels 
D) primarily prevent blood plasma from moving into the interstitial fluid 
E) perform all of the above functions 
A) actively contract to force blood uphill against gravity 
B) passively close to prevent the backflow of blood in the veins 
C) prevent blood from flowing into lymphatic vessels 
D) primarily prevent blood plasma from moving into the interstitial fluid 
E) perform all of the above functions

Question 19

Differences in blood flow to an organ are related to the resistance to flow in the arterioles that supply that organ.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following conditions might be the cause of edema?

Accepted Answer

A) Extensive burns 
B) Congestive heart failure 
C) Blocked lymphatics 
D) Increased venous pressure 
E) All of the above 
A) Extensive burns 
B) Congestive heart failure 
C) Blocked lymphatics 
D) Increased venous pressure 
E) All of the above

A local increase in potassium increases the vasodilation of arterioles.

A metarteriole is located between an arteriole and venule.

Total peripheral resistance is primarily dependent on the degree of arteriolar ____________________.

The wall of an artery contains two types of connective tissue fibers: _ fibers provide tensile strength and ____ fibers allow the vessel to recoil after being stretched.

For the following questions, choose the appropriate letter from the answer code below to make the statement true. a.increases b.inhibits or decreases c.has no effect on -Increased sympathetic nerve activity ____ the rate of depolarization of the SA node.

Which of the following properties does not pertain to the arterioles?

Indicate whether arteriolar vasoconstriction or vasodilation would occur in the tissue in question by using the following answer code: a.produces vasoconstriction b.produces vasodilation c.no change in arteriolar caliber -Occlusion of an artery supplying a particular tissue

Which of the following is not a compensation mechanism for blood loss?

What roles do the kidneys play in blood pressure maintenance? Include the following in your answer: urine, Na⁺, renin, angiotensin II, blood volume, osmotic pressure, and aldosterone.

Which local chemical factor is not associated with vasodilation of arterioles?

The skeletal muscle pump changes venous return by ____________________ (increasing/decreasing) it.

Use this figure to answer the corresponding questions. -Which vessel contains blood with the highest concentration of oxygen? a.vessel 1 b.vessel 2 c.vessel 3 d.vessel 4 e.vessel 5

For the following questions, choose the appropriate letter from the answer code below to make the statement true. a.increases b.inhibits or decreases c.has no effect on -Decreased cardiac output ____ the mean systemic arterial blood pressure.

There is normally a net gain of fluid in the capillary at the venular end.

During exercise, a larger percentage of the cardiac output travels to the skin and skeletal muscles.

For the following questions, choose the appropriate letter from the answer code below to make the statement true. a.increases b.inhibits or decreases c.has no effect on -Increased heart rate ____ cardiac output.

Normally capillary filtration exceeds reabsorption by about ____________________ liters daily.

The venous valves

Differences in blood flow to an organ are related to the resistance to flow in the arterioles that supply that organ.

Which of the following conditions might be the cause of edema?

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 Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood

Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid-Base Balance

The Digestive System

Energy Balance and Temperature Regulation

Principles of Endocrinology: the Central Endocrine Glands

The Peripheral Endocrine Glands

The Reproductive System

Filters

Exam 10: The Blood Vessels and Blood Pressure

A local increase in potassium increases the vasodilation of arterioles.

A metarteriole is located between an arteriole and venule.

Total peripheral resistance is primarily dependent on the degree of arteriolar ____________________.

The wall of an artery contains two types of connective tissue fibers: _____________ fibers provide tensile strength and ________________ fibers allow the vessel to recoil after being stretched.

For the following questions, choose the appropriate letter from the answer code below to make the statement true. a.increases b.inhibits or decreases c.has no effect on -Increased sympathetic nerve activity ____ the rate of depolarization of the SA node.

Which of the following properties does not pertain to the arterioles?

Indicate whether arteriolar vasoconstriction or vasodilation would occur in the tissue in question by using the following answer code: a.produces vasoconstriction b.produces vasodilation c.no change in arteriolar caliber -Occlusion of an artery supplying a particular tissue

Which of the following is not a compensation mechanism for blood loss?

What roles do the kidneys play in blood pressure maintenance? Include the following in your answer: urine, Na⁺, renin, angiotensin II, blood volume, osmotic pressure, and aldosterone.

Which local chemical factor is not associated with vasodilation of arterioles?

The skeletal muscle pump changes venous return by ____________________ (increasing/decreasing) it.

Use this figure to answer the corresponding questions. -Which vessel contains blood with the highest concentration of oxygen? a.vessel 1 b.vessel 2 c.vessel 3 d.vessel 4 e.vessel 5

For the following questions, choose the appropriate letter from the answer code below to make the statement true. a.increases b.inhibits or decreases c.has no effect on -Decreased cardiac output ____ the mean systemic arterial blood pressure.

There is normally a net gain of fluid in the capillary at the venular end.

During exercise, a larger percentage of the cardiac output travels to the skin and skeletal muscles.

For the following questions, choose the appropriate letter from the answer code below to make the statement true. a.increases b.inhibits or decreases c.has no effect on -Increased heart rate ____ cardiac output.

Normally capillary filtration exceeds reabsorption by about ____________________ liters daily.

The venous valves

Differences in blood flow to an organ are related to the resistance to flow in the arterioles that supply that organ.

Which of the following conditions might be the cause of edema?

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 Special Senses

The Peripheral Nervous System: Efferent Division

Muscle Physiology

Cardiac Physiology

The Blood

Body Defenses

The Respiratory System

The Urinary System

Fluid and Acid-Base Balance

The Digestive System

Energy Balance and Temperature Regulation

Principles of Endocrinology: the Central Endocrine Glands

The Peripheral Endocrine Glands

The Reproductive System

Filters

The wall of an artery contains two types of connective tissue fibers: _ fibers provide tensile strength and ____ fibers allow the vessel to recoil after being stretched.