Question 1

Parasympathetic functions include ________.

Accepted Answer

A)   allowing the body to cope with an external threat
B)   raising blood glucose levels
C)   lens accommodation for close vision
D)   a stimulation of heart rate and force of contraction

Question 2

Fibers that enter and leave the sympathetic trunks without synapsing form structures called ________.

Accepted Answer

A)   gray rami communicantes
B)   splanchnic nerves
C)   white rami communicantes
D)   spinal nerves

Question 3

Cranial nerves III (oculomotor),VII (facial),and IX (glossopharyngeal)supply the entire parasympathetic innervation of the head; however,only the preganglionic fibers lie within these three pairs of cranial nerves.

Accepted Answer

A) True 
 B)False

Question 4

Match the following:
-Secreted by preganglionic sympathetic fibers.

Accepted Answer

A)  Norepinephrine (N
E)  
B)  Acetylcholine (ACh)

Question 5

Match the following:
-Secreted by postganglionic parasympathetic fibers.

Accepted Answer

A)  Norepinephrine (N
E)  
B)  Acetylcholine (ACh)

Question 6

All splanchnic nerves are sympathetic.

Accepted Answer

A) True 
 B)False

Question 7

The somatic and autonomic nervous systems differ in all of the following EXCEPT ________.

Accepted Answer

A)   their effectors
B)   target organ responses to their neurotransmitters
C)   regulation of activity by higher brain centers
D)   their efferent pathways and ganglia

Question 8

Most splanchnic nerves pass through the abdominal aortic plexus.

Accepted Answer

A) True 
 B)False

Question 9

Sympathetic division stimulation causes ________.

Accepted Answer

A)   increased blood glucose, decreased GI peristalsis, and increased heart rate and blood pressure
B)   decreased blood glucose, increased GI peristalsis, and increased heart rate and blood pressure
C)   increased blood glucose, increased GI peristalsis, and decreased heart rate and blood pressure
D)   decreased blood glucose, increased GI peristalsis, and decreased heart rate and blood pressure

Question 10

Erection (vasodilation) of the penis or clitoris ________.

Accepted Answer

A)   is the result of coordinated activation by both sympathetic and parasympathetic input
B)   is primarily under sympathetic control
C)   is primarily under parasympathetic control
D)   depends very little on autonomic activation

Question 11

The sympathetic and parasympathetic divisions of the ANS have the same effect on most body organ systems.

Accepted Answer

A) True 
 B)False  False

Question 12

Acetylcholine is released by all somatic motor neurons,all preganglionic neurons of the ANS and by the postganglionic parasympathetic nerve fibers.

Accepted Answer

A) True 
 B)False

Question 13

Sympathetic responses generally are widespread because ________.

Accepted Answer

A)   preganglionic fibers are short
B)   inactivation of ACh is fairly slow
C)   NE and epinephrine are secreted into the blood as part of the sympathetic response
D)   preganglionic fibers are long

Question 14

In what ways are the autonomic and the somatic nervous systems different?

Accepted Answer

1.The autonomic is a two-neuron system; ...

Question 15

Mark eats a very big meal in the evening.After the meal his wife would like him to help clean up,but Mark explains that he is "too tired" and promptly goes to sleep.What seems to be his problem?

Accepted Answer

After a meal,parasympathetic influences dominate,which increase digestive functions while decreasing cardiac and respiratory activity.This causes the individual to feel sleepy.

Question 16

Which of the following drug classes would be useful for smoking cessation products?

Accepted Answer

A)   sympathomimetic agents
B)   acetylcholinesterase inhibitors
C)   nicotinic agents
D)   parasympathomimetic agents (muscarinic agents)

Question 17

Control of temperature,endocrine activity,and thirst are functions associated with the ________.

Accepted Answer

A)   thalamus
B)   medulla
C)   hypothalamus
D)   cerebellum C

Question 18

The effect of the parasympathetic division on the penis is vasodilation causing erection,while ejaculation is due to sympathetic stimulation.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following adrenergic neurotransmitter receptors plays the major role in heart activity?

Accepted Answer

A)   alpha 1
B)   beta 1
C)   beta 2
D)   beta 3

Question 20

Which of the following is NOT a result of parasympathetic stimulation?

Accepted Answer

A)   elimination of urine
B)   salivation
C)   increased peristalsis of the digestive viscera
D)   dilation of the pupils

Exam 14: The Autonomic Nervous System

Parasympathetic functions include ________.

Correct AnswerverifiedShow Answer

Fibers that enter and leave the sympathetic trunks without synapsing form structures called ________.

Correct AnswerverifiedShow Answer

Cranial nerves III (oculomotor),VII (facial),and IX (glossopharyngeal)supply the entire parasympathetic innervation of the head; however,only the preganglionic fibers lie within these three pairs of cranial nerves.

Correct AnswerverifiedShow Answer

Match the following: -Secreted by preganglionic sympathetic fibers.

Correct AnswerverifiedShow Answer

Match the following: -Secreted by postganglionic parasympathetic fibers.

Correct AnswerverifiedShow Answer

All splanchnic nerves are sympathetic.

Correct AnswerverifiedShow Answer

The somatic and autonomic nervous systems differ in all of the following EXCEPT ________.

Correct AnswerverifiedShow Answer

Most splanchnic nerves pass through the abdominal aortic plexus.

Correct AnswerverifiedShow Answer

Sympathetic division stimulation causes ________.

Correct AnswerverifiedShow Answer

Erection (vasodilation) of the penis or clitoris ________.

Correct AnswerverifiedShow Answer

The sympathetic and parasympathetic divisions of the ANS have the same effect on most body organ systems.

Correct AnswerverifiedFalse

Acetylcholine is released by all somatic motor neurons,all preganglionic neurons of the ANS and by the postganglionic parasympathetic nerve fibers.

Correct AnswerverifiedShow Answer

Sympathetic responses generally are widespread because ________.

Correct AnswerverifiedShow Answer

In what ways are the autonomic and the somatic nervous systems different?

Correct Answerverified1.The autonomic is a two-neuron system; ...View AnswerShow Answer

Mark eats a very big meal in the evening.After the meal his wife would like him to help clean up,but Mark explains that he is "too tired" and promptly goes to sleep.What seems to be his problem?

Correct AnswerverifiedAfter a meal,parasympathetic influences dominate,which increase digestive functions while decreasing cardiac and respiratory activity.This causes the individual to feel sleepy.

Which of the following drug classes would be useful for smoking cessation products?

Correct AnswerverifiedShow Answer

Control of temperature,endocrine activity,and thirst are functions associated with the ________.

Correct AnswerverifiedC

The effect of the parasympathetic division on the penis is vasodilation causing erection,while ejaculation is due to sympathetic stimulation.

Correct AnswerverifiedShow Answer

Which of the following adrenergic neurotransmitter receptors plays the major role in heart activity?

Correct AnswerverifiedShow Answer

Which of the following is NOT a result of parasympathetic stimulation?

Correct AnswerverifiedShow Answer

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False

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1.The autonomic is a two-neuron system; ...
View Answer

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After a meal,parasympathetic influences dominate,which increase digestive functions while decreasing cardiac and respiratory activity.This causes the individual to feel sleepy.

Correct Answer
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C

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