Question 1

During maximal exercise,the skeletal muscles can receive as much as ____ of the total blood flow.

Accepted Answer

A) 35% 
B) 45% 
C) 65% 
D) 85% 
A) 35% 
B) 45% 
C) 65% 
D) 85%

Question 2

Blood pressure is measured with a

Accepted Answer

A) sphygmomanometer. 
B) electrocardiograph. 
C) spirometer. 
D) stethoscope. 
A) sphygmomanometer. 
B) electrocardiograph. 
C) spirometer. 
D) stethoscope.

Question 3

Sympathetic stimulation promotes an overall increase in blood flow resistance.

Accepted Answer

A) True 
 B)False

Question 4

Water is a diuretic.

Accepted Answer

A) True 
 B)False

Question 5

In response to increased ventricular filling

Accepted Answer

A) total peripheral resistance increases. 
B) sympathetic nerves release norepinephrine. 
C) myocardial cells stretch. 
D) myocardial contractility in decreases. 
A) total peripheral resistance increases. 
B) sympathetic nerves release norepinephrine. 
C) myocardial cells stretch. 
D) myocardial contractility in decreases.

Question 6

Moderate exercise causes increased visceral organ blood flow.

Accepted Answer

A) True 
 B)False

Question 7

Stroke volume is inversely proportional to

Accepted Answer

A) preload. 
B) contractility. 
C) total peripheral resistance. 
D) Both preload and contractility. 
A) preload. 
B) contractility. 
C) total peripheral resistance. 
D) Both preload and contractility.

Question 8

Elephantiasis is caused by

Accepted Answer

A) decreased plasma protein concentration. 
B) obstruction of lymphatic drainage. 
C) high arterial blood pressure. 
D) myxedema. 
A) decreased plasma protein concentration. 
B) obstruction of lymphatic drainage. 
C) high arterial blood pressure. 
D) myxedema.

Question 9

The cardiac control center of the _______ coordinates the autonomic innervation of the heart.

Accepted Answer

A) pons 
B) cerebrum 
C) medulla oblongata 
D) midbrain 
A) pons 
B) cerebrum 
C) medulla oblongata 
D) midbrain

Question 10

What is the resting cardiac rate for an adult?

Accepted Answer

A) 60 beats/min 
B) 70 beats/min 
C) 75 beats/min 
D) 80 beats/min 
A) 60 beats/min 
B) 70 beats/min 
C) 75 beats/min 
D) 80 beats/min

Question 11

The kidneys play a major role regulating blood volume.

Accepted Answer

A) True 
 B)False

Question 12

Expanded blood volume stimulates stretch receptors in the atria of the heart causing increased secretion of

Accepted Answer

A) atrial natriuretic peptide. 
B) aldosterone. 
C) epinephrine. 
D) parasympathetic antagonists. 
A) atrial natriuretic peptide. 
B) aldosterone. 
C) epinephrine. 
D) parasympathetic antagonists.

Question 13

Astrocytes play an important role in regulation of blood flow in the brain.

Accepted Answer

A) True 
 B)False

Question 14

ADH secretion is stimulated when osmoreceptors in the hypothalamus detect a decrease in blood osmolality.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following is NOT a result of stimulation of atrial stretch receptors?

Accepted Answer

A) stimulates reflex tachycardia 
B) increased secretion of ANP 
C) decreased water excretion 
D) inhibition of ADH 
A) stimulates reflex tachycardia 
B) increased secretion of ANP 
C) decreased water excretion 
D) inhibition of ADH

Question 16

Which blood vessels have the lowest pressure?

Accepted Answer

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

Question 17

Norepinephrine is released from __________ nerves,causing heart rate to ______.

Accepted Answer

A) parasympathetic,increase. 
B) parasympathetic,decrease. 
C) sympathetic,increase. 
D) sympathetic,decrease. 
A) parasympathetic,increase. 
B) parasympathetic,decrease. 
C) sympathetic,increase. 
D) sympathetic,decrease.

Question 18

What allows cardiac muscle to have sufficient oxygen during systole?

Accepted Answer

A) large amount of myoglobin 
B) many mitochondria 
C) many aerobic enzymes 
D) All apply 
A) large amount of myoglobin 
B) many mitochondria 
C) many aerobic enzymes 
D) All apply

Question 19

______________ is used to treat congestive heart failure.

Accepted Answer

A) Histamine 
B) ACE inhibitors 
C) Calcium channel blockers 
D) Digitalis 
A) Histamine 
B) ACE inhibitors 
C) Calcium channel blockers 
D) Digitalis

Question 20

Vascular smooth muscle can directly respond to changes in pressure.This type of control is called

Accepted Answer

A) metabolic. 
B) extrinsic. 
C) vasogeniC. 
D) myogenic. 
A) metabolic. 
B) extrinsic. 
C) vasogeniC. 
D) myogenic.

During maximal exercise,the skeletal muscles can receive as much as ____ of the total blood flow.

Blood pressure is measured with a

Sympathetic stimulation promotes an overall increase in blood flow resistance.

Water is a diuretic.

In response to increased ventricular filling

Moderate exercise causes increased visceral organ blood flow.

Stroke volume is inversely proportional to

Elephantiasis is caused by

The cardiac control center of the _______ coordinates the autonomic innervation of the heart.

What is the resting cardiac rate for an adult?

The kidneys play a major role regulating blood volume.

Expanded blood volume stimulates stretch receptors in the atria of the heart causing increased secretion of

Astrocytes play an important role in regulation of blood flow in the brain.

ADH secretion is stimulated when osmoreceptors in the hypothalamus detect a decrease in blood osmolality.

Which of the following is NOT a result of stimulation of atrial stretch receptors?

Which blood vessels have the lowest pressure?

Norepinephrine is released from ____ nerves,causing heart rate to .

What allows cardiac muscle to have sufficient oxygen during systole?

______________ is used to treat congestive heart failure.

Vascular smooth muscle can directly respond to changes in pressure.This type of control is called

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

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

During maximal exercise,the skeletal muscles can receive as much as ____ of the total blood flow.

Blood pressure is measured with a

Sympathetic stimulation promotes an overall increase in blood flow resistance.

Water is a diuretic.

In response to increased ventricular filling

Moderate exercise causes increased visceral organ blood flow.

Stroke volume is inversely proportional to

Elephantiasis is caused by

The cardiac control center of the _______ coordinates the autonomic innervation of the heart.

What is the resting cardiac rate for an adult?

The kidneys play a major role regulating blood volume.

Expanded blood volume stimulates stretch receptors in the atria of the heart causing increased secretion of

Astrocytes play an important role in regulation of blood flow in the brain.

ADH secretion is stimulated when osmoreceptors in the hypothalamus detect a decrease in blood osmolality.

Which of the following is NOT a result of stimulation of atrial stretch receptors?

Which blood vessels have the lowest pressure?

Norepinephrine is released from __________ nerves,causing heart rate to ______.

What allows cardiac muscle to have sufficient oxygen during systole?

______________ is used to treat congestive heart failure.

Vascular smooth muscle can directly respond to changes in pressure.This type of control is called

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

Norepinephrine is released from ____ nerves,causing heart rate to .