Question 1

Cardiac output is equal to

Accepted Answer

A) stroke volume - cardiac rate. 
B) stroke volume / cardiac rate. 
C) stroke volume + cardiac rate. 
D) stroke volume x cardiac rate 
A) stroke volume - cardiac rate. 
B) stroke volume / cardiac rate. 
C) stroke volume + cardiac rate. 
D) stroke volume x cardiac rate

Question 2

Hypertension may cause

Accepted Answer

A) increased afterload. 
B) hypertrophy of the ventricles and valve defects. 
C) broken capillaries in tissues and organs. 
D) All apply. 
A) increased afterload. 
B) hypertrophy of the ventricles and valve defects. 
C) broken capillaries in tissues and organs. 
D) All apply.

Question 3

A(n)___________ is a cylindrical support used to keep an artery open.

Accepted Answer

A) coronary bypass 
B) angioplasty 
C) stent 
D) angiogram 
A) coronary bypass 
B) angioplasty 
C) stent 
D) angiogram

Question 4

During exercise,blood flow to the heart increases.

Accepted Answer

A) True 
 B)False

Question 5

As age increases,the maximum cardiac rate will

Accepted Answer

A) increase. 
B) decrease. 
C) remain unchanged. 
A) increase. 
B) decrease. 
C) remain unchanged.

Question 6

As cardiac muscle is stretched,it contracts less forcibly.

Accepted Answer

A) True 
 B)False

Question 7

At rest,blood flow is greatest in the

Accepted Answer

A) skin and GI tract. 
B) brain and liver. 
C) GI tract and liver. 
D) kidneys and skin. 
A) skin and GI tract. 
B) brain and liver. 
C) GI tract and liver. 
D) kidneys and skin.

Question 8

During moderate exercise cerebral blood flow

Accepted Answer

A) increases slightly. 
B) decreases. 
C) remains unchanged. 
D) increases greatly. 
A) increases slightly. 
B) decreases. 
C) remains unchanged. 
D) increases greatly.

Question 9

Reactive hyperemia is

Accepted Answer

A) increased blood flow due to increased metabolism. 
B) increased blood flow after removal of constriction due to accumulated metabolic products. 
C) increased blood flow due to sepsis. 
D) All apply. 
A) increased blood flow due to increased metabolism. 
B) increased blood flow after removal of constriction due to accumulated metabolic products. 
C) increased blood flow due to sepsis. 
D) All apply.

Question 10

Dizziness during hyperventilation is due to a decrease in cerebral blood flow.The decreased blood flow is caused by

Accepted Answer

A) vasodilation. 
B) decreased stroke volume. 
C) vasoconstriction. 
D) decreased respiration. 
A) vasodilation. 
B) decreased stroke volume. 
C) vasoconstriction. 
D) decreased respiration.

Question 11

Vasodilation is induced by all of the following EXCEPT

Accepted Answer

A) increased tissue carbon dioxide. 
B) decreased tissue metabolism. 
C) decreased tissue oxygen. 
D) increased extracellular K+. 
A) increased tissue carbon dioxide. 
B) decreased tissue metabolism. 
C) decreased tissue oxygen. 
D) increased extracellular K+.

Question 12

Increased blood flow resistance is caused by

Accepted Answer

A) increased blood vessel length. 
B) decreased blood viscosity. 
C) vasodilation. 
D) increased blood pressure. 
A) increased blood vessel length. 
B) decreased blood viscosity. 
C) vasodilation. 
D) increased blood pressure.

Question 13

The Frank-Starling law of the heart describes an intrinsic regulation of stroke volume.

Accepted Answer

A) True 
 B)False

Question 14

Norepinephrine agonists would increase cardiac output.

Accepted Answer

A) True 
 B)False

Question 15

The larger the cross-sectional area of a type of vessel,the higher the blood pressure.

Accepted Answer

A) True 
 B)False

Question 16

Immersion in water will lead to increased diuresis.

Accepted Answer

A) True 
 B)False

Question 17

Control of blood flow to skeletal muscles during exercise is mainly under _______ control.

Accepted Answer

A) intrinsic metabolic 
B) intrinsic myogenic 
C) extrinsic 
D) hormonal 
A) intrinsic metabolic 
B) intrinsic myogenic 
C) extrinsic 
D) hormonal

Question 18

Which blood vessels have the highest cross-sectional area?

Accepted Answer

A) veins 
B) arterioles 
C) venules 
D) capillaries 
A) veins 
B) arterioles 
C) venules 
D) capillaries

Question 19

The type of shock resulting from lipopolysaccharides is termed

Accepted Answer

A) hypovolemic shock. 
B) cardiogenic shock. 
C) septic shock. 
D) neurogenic shock. 
A) hypovolemic shock. 
B) cardiogenic shock. 
C) septic shock. 
D) neurogenic shock.

Question 20

A decrease in total peripheral resistance would cause blood flow to

Accepted Answer

A) increase. 
B) decrease. 
C) remain unchanged. 
A) increase. 
B) decrease. 
C) remain unchanged.

Cardiac output is equal to

Hypertension may cause

A(n)___________ is a cylindrical support used to keep an artery open.

During exercise,blood flow to the heart increases.

As age increases,the maximum cardiac rate will

As cardiac muscle is stretched,it contracts less forcibly.

At rest,blood flow is greatest in the

During moderate exercise cerebral blood flow

Reactive hyperemia is

Dizziness during hyperventilation is due to a decrease in cerebral blood flow.The decreased blood flow is caused by

Vasodilation is induced by all of the following EXCEPT

Increased blood flow resistance is caused by

The Frank-Starling law of the heart describes an intrinsic regulation of stroke volume.

Norepinephrine agonists would increase cardiac output.

The larger the cross-sectional area of a type of vessel,the higher the blood pressure.

Immersion in water will lead to increased diuresis.

Control of blood flow to skeletal muscles during exercise is mainly under _______ control.

Which blood vessels have the highest cross-sectional area?

The type of shock resulting from lipopolysaccharides is termed

A decrease in total peripheral resistance would cause blood flow to

The Study of Body Function

Chemical Composition of the Body

Cell Structure and Genetic Control

Enzymes and Energy

Cell Respiration and Metabolism

Interactions Between Cells and the Extracellular Environment

The Nervous System: Neurons and Synapses

The Central Nervous System

The Autonomic Nervous System

Sensory Physiology

Endocrine Glands: Secretion and Action of Hormones

Muscle: Mechanisms of Contraction and Neural Control

Blood,Heart and Circulation

The Immune System

Respiratory Physiology

Physiology of the Kidneys

The Digestive System

Regulation and Metabolism

Reproduction

Filters

Exam 14: Cardiac Output,Blood Flow,and Blood Pressure

Cardiac output is equal to

Hypertension may cause

A(n)___________ is a cylindrical support used to keep an artery open.

During exercise,blood flow to the heart increases.

As age increases,the maximum cardiac rate will

As cardiac muscle is stretched,it contracts less forcibly.

At rest,blood flow is greatest in the

During moderate exercise cerebral blood flow

Reactive hyperemia is

Dizziness during hyperventilation is due to a decrease in cerebral blood flow.The decreased blood flow is caused by

Vasodilation is induced by all of the following EXCEPT

Increased blood flow resistance is caused by

The Frank-Starling law of the heart describes an intrinsic regulation of stroke volume.

Norepinephrine agonists would increase cardiac output.

The larger the cross-sectional area of a type of vessel,the higher the blood pressure.

Immersion in water will lead to increased diuresis.

Control of blood flow to skeletal muscles during exercise is mainly under _______ control.

Which blood vessels have the highest cross-sectional area?

The type of shock resulting from lipopolysaccharides is termed

A decrease in total peripheral resistance would cause blood flow to

The Study of Body Function

Chemical Composition of the Body

Cell Structure and Genetic Control

Enzymes and Energy

Cell Respiration and Metabolism

Interactions Between Cells and the Extracellular Environment

The Nervous System: Neurons and Synapses

The Central Nervous System

The Autonomic Nervous System

Sensory Physiology

Endocrine Glands: Secretion and Action of Hormones

Muscle: Mechanisms of Contraction and Neural Control

Blood,Heart and Circulation

The Immune System

Respiratory Physiology

Physiology of the Kidneys

The Digestive System

Regulation and Metabolism

Reproduction

Filters