Question 1

Which of the following is least true of the sympathetic nervous system?

Accepted Answer

A)  It is also called "fight-or-flight." 
B)  Preganglionic fibers are cholinergic. 
C)  Postganglionic fibers are adrenergic. 
D)  The postganglionic receptor is muscarinic. 
A)  It is also called "fight-or-flight." 
B)  Preganglionic fibers are cholinergic. 
C)  Postganglionic fibers are adrenergic. 
D)  The postganglionic receptor is muscarinic. D

Question 2

Vasomotor tone is:

Accepted Answer

A)  a vasoconstrictor effect caused by background firing of the sympathetic nerves. 
B)  a vagally induced vasoconstriction. 
C)  a response to activation of the muscarinic receptors on the blood vessels. 
D)  caused by a beta-adrenergic antagonist. 
A)  a vasoconstrictor effect caused by background firing of the sympathetic nerves. 
B)  a vagally induced vasoconstriction. 
C)  a response to activation of the muscarinic receptors on the blood vessels. 
D)  caused by a beta-adrenergic antagonist. A

Question 3

Which of the following would be considered a parasympathetic organ response?

Accepted Answer

A)  dilation of the bronchial tubes 
B)  decrease in heart rate 
C)  secretion of epinephrine and norepinephrine 
D)  sweat gland stimulations 
A)  dilation of the bronchial tubes 
B)  decrease in heart rate 
C)  secretion of epinephrine and norepinephrine 
D)  sweat gland stimulations B

Question 4

The vagus nerve (the "wanderer" nerve) carries about what percentage of the parasympathetic fibers?

Accepted Answer

A)  80% 
B)  75% 
C)  65% 
D)  50% 
A)  80% 
B)  75% 
C)  65% 
D)  50%

Question 5

Which of the following would be considered a sympathetic organ response?

Accepted Answer

A)  constriction of air flow in the bronchial tubes 
B)  decreased heart rate 
C)  constriction of blood vessels 
D)  constriction of the iris of the eye 
A)  constriction of air flow in the bronchial tubes 
B)  decreased heart rate 
C)  constriction of blood vessels 
D)  constriction of the iris of the eye

Question 6

Muscarinic receptors are located on:

Accepted Answer

A)  the paravertebral ganglia. 
B)  the effector organs--postganglionic parasympathetic. 
C)  the effector organs--postganglionic sympathetic. 
D)  all autonomic ganglia. 
A)  the paravertebral ganglia. 
B)  the effector organs--postganglionic parasympathetic. 
C)  the effector organs--postganglionic sympathetic. 
D)  all autonomic ganglia.

Question 7

What is the clinical consequence of loss of vasomotor tone?

Accepted Answer

A)  uticaria and pruritus 
B)  lethargy and jaundice 
C)  severe decline in blood pressure and shock 
D)  elevation of blood pressure and hemorrhage 
A)  uticaria and pruritus 
B)  lethargy and jaundice 
C)  severe decline in blood pressure and shock 
D)  elevation of blood pressure and hemorrhage

Question 8

Which of the following fibers secretes norepinephrine (NE)?

Accepted Answer

A)  preganglionic sympathetic 
B)  preganglionic parasympathetic 
C)  postganglionic sympathetic 
D)  postganglionic parasympathetic 
A)  preganglionic sympathetic 
B)  preganglionic parasympathetic 
C)  postganglionic sympathetic 
D)  postganglionic parasympathetic

Question 9

Which of the following is least descriptive of monoamine oxidase (MOA)?

Accepted Answer

A)  It is an enzyme that degrades NE. 
B)  It is found within all cholinergic fibers. 
C)  It is associated with sympathetic activity. 
D)  It is associated with adrenergic fibers. 
A)  It is an enzyme that degrades NE. 
B)  It is found within all cholinergic fibers. 
C)  It is associated with sympathetic activity. 
D)  It is associated with adrenergic fibers.

Question 10

A patient received an antimuscarinic drug (atropine) preoperatively. What drug-related, postoperative consequence is he or she likely to experience?

Accepted Answer

A)  slow heart rate 
B)  inability to urinate 
C)  excess salivation 
D)  pinpoint pupils 
A)  slow heart rate 
B)  inability to urinate 
C)  excess salivation 
D)  pinpoint pupils

Which of the following is least true of the sympathetic nervous system?

Vasomotor tone is:

Which of the following would be considered a parasympathetic organ response?

The vagus nerve (the "wanderer" nerve) carries about what percentage of the parasympathetic fibers?

Which of the following would be considered a sympathetic organ response?

Muscarinic receptors are located on:

What is the clinical consequence of loss of vasomotor tone?

Which of the following fibers secretes norepinephrine (NE)?

Which of the following is least descriptive of monoamine oxidase (MOA)?

A patient received an antimuscarinic drug (atropine) preoperatively. What drug-related, postoperative consequence is he or she likely to experience?

Introduction to the Human Body

Basic Chemistry

Cells

Cell Metabolism

Microbiology Basics

Ttissues and Membranes

Integumentary System and Body Temperature

Skeletal System

Muscular System

Nervous System: Nervous Tissue and Brain

Nervous System: Spinal Cord and Peripheral Nerves

Sensory System

Endocrine System

Blood

Anatomy of the Heart

Function of the Heart

Anatomy of the Blood Vessels

Functions of the Blood Vessels

Lymphatic System

Immune System

Respiratory System

Digestive System

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive Systems

Human Development and Heredity

Filters

Exam 12: Autonomic Nervous System

Which of the following is least true of the sympathetic nervous system?

Vasomotor tone is:

Which of the following would be considered a parasympathetic organ response?

The vagus nerve (the "wanderer" nerve) carries about what percentage of the parasympathetic fibers?

Which of the following would be considered a sympathetic organ response?

Muscarinic receptors are located on:

What is the clinical consequence of loss of vasomotor tone?

Which of the following fibers secretes norepinephrine (NE)?

Which of the following is least descriptive of monoamine oxidase (MOA)?

A patient received an antimuscarinic drug (atropine) preoperatively. What drug-related, postoperative consequence is he or she likely to experience?

Introduction to the Human Body

Basic Chemistry

Cells

Cell Metabolism

Microbiology Basics

Ttissues and Membranes

Integumentary System and Body Temperature

Skeletal System

Muscular System

Nervous System: Nervous Tissue and Brain

Nervous System: Spinal Cord and Peripheral Nerves

Sensory System

Endocrine System

Blood

Anatomy of the Heart

Function of the Heart

Anatomy of the Blood Vessels

Functions of the Blood Vessels

Lymphatic System

Immune System

Respiratory System

Digestive System

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive Systems

Human Development and Heredity

Filters