Question 1

Raynaud's disease .

Accepted Answer

A)   occurs primarily in association with injury to the spinal cord
B)   is characterized by exaggerated vasoconstriction in the extremities
C)   is frequently life threatening
D)   is induced by heat stress

Question 2

Cranial nerves III, VII, and IX 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 3

The gray rami communicantes consist of myelinated postganglionic fibers.

Accepted Answer

A) True 
 B)False

Question 4

Because parasympathetic fibers never run in spinal nerves, rami communicantes are associated only with the sympathetic division.

Accepted Answer

A) True 
 B)False

Question 5

Which is a uniquely sympathetic function?

Accepted Answer

A)   regulation of pupil size
B)   regulation of respiratory rate
C)   regulation of cardiac rate
D)   regulation of body temperature

Question 6

The blood vessels of the skin are one of the few areas of the body where the vessels are innervated by both the sympathetic and parasympathetic divisions.

Accepted Answer

A) True 
 B)False

Question 7

Figure 14.1Using Figure 14.1, match the following:
-The parasympathetic division uses only as a neurotransmitter in the ganglionic neurons.

Accepted Answer

The answer of  Figure 14.1Using Figure 14.1, match the...

Question 8

Fibers that enter and leave the sympathetic chain without synapsing form structures called
)

Accepted Answer

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

Question 9

Through direct neural stimulation, the sympathetic division promotes many metabolic effects via hormone release.

Accepted Answer

A) True 
 B)False

Question 10

Visceral reflex arcs differ from somatic in that .

Accepted Answer

A)   visceral arcs involve two motor neurons
B)   visceral arcs do not use integration centers
C)   visceral arcs contain two sensory neurons
D)   somatic arcs contain one additional component that visceral arcs do not possess

Question 11

Parasympathetic functions include .

Accepted Answer

A)   mobilizing storage energy sources
B)   lens accommodation for close vision
C)   allowing the body to cope with an external threat
D)   a stimulation of heart rate and force of contraction

Question 12

Figure 14.1Using Figure 14.1, match the following:
-Cell body of the somatic neuron.

Accepted Answer

The answer of  Figure 14.1Using Figure 14.1, match the...

Question 13

The smooth muscle of the digestive viscera is served largely by the .

Accepted Answer

A)   tenth cranial nerve
B)   cephalic plexus
C)   pelvic nerves
D)   lumbar splanchnic nerves

Question 14

Which of the following does not describe the ANS?

Accepted Answer

A)   a system of motor neurons that innervates all muscle cells
B)   involuntary nervous system
C)   general visceral motor system
D)   a system of motor neurons that innervates smooth and cardiac muscle and glands

Question 15

Which of these effectors is not directly controlled by the autonomic nervous system?

Accepted Answer

A)   most glands
B)   smooth muscle
C)   cardiac muscle
D)   skeletal muscle

Question 16

The autonomic nervous system may cause activation or inhibition, depending on the division that is active and the target that is affected.

Accepted Answer

A) True 
 B)False

Question 17

Describe four paths a preganglionic sympathetic fiber may take to reach its synapse point with the ganglionic neuron.

Accepted Answer

It can synapse with a ganglionic neuron ...

Question 18

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 ...

Question 19

Mrs. Oberhaus needs surgery to correct a severe case of Raynaud's disease, affecting one of her hands. What surgical procedure will be performed? After the surgery, will she be more likely to suffer from anhidrosis (lack of sweating) or hyperhidrosis (profuse sweating) in the affected hand?

Accepted Answer

Mrs. Oberhaus' doctor will perform a sym...

Question 20

Where would you not find a cholinergeric nicotinic receptor?

Accepted Answer

A)   all postganglionic neurons
B)   skeletal muscle motor end plates
C)   adrenal medulla hormone producing cells
D)   all parasympathetic target organs

Exam 14: The Autonomic Nervous System

The smooth muscle of the digestive viscera is served largely by the .

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Parasympathetic functions include .

Correct AnswerverifiedShow Answer

Figure 14.1Using Figure 14.1, match the following: -Cell body of the somatic neuron.

Correct AnswerverifiedShow Answer

Describe four paths a preganglionic sympathetic fiber may take to reach its synapse point with the ganglionic neuron.

Correct AnswerverifiedIt can synapse with a ganglionic neuron ...View AnswerShow Answer

Which of these effectors is not directly controlled by the autonomic nervous system?

Correct AnswerverifiedShow Answer

Visceral reflex arcs differ from somatic in that .

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Where would you not find a cholinergeric nicotinic receptor?

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Because parasympathetic fibers never run in spinal nerves, rami communicantes are associated only with the sympathetic division.

Correct AnswerverifiedShow Answer

Mrs. Oberhaus needs surgery to correct a severe case of Raynaud's disease, affecting one of her hands. What surgical procedure will be performed? After the surgery, will she be more likely to suffer from anhidrosis (lack of sweating) or hyperhidrosis (profuse sweating) in the affected hand?

Correct AnswerverifiedMrs. Oberhaus' doctor will perform a sym...View AnswerShow Answer

Raynaud's disease .

Correct AnswerverifiedShow 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 ...View AnswerShow Answer

Which of the following does not describe the ANS?

Correct AnswerverifiedShow Answer

The autonomic nervous system may cause activation or inhibition, depending on the division that is active and the target that is affected.

Correct AnswerverifiedShow Answer

Figure 14.1Using Figure 14.1, match the following: -The parasympathetic division uses only as a neurotransmitter in the ganglionic neurons.

Correct AnswerverifiedShow Answer

Which is a uniquely sympathetic function?

Correct AnswerverifiedShow Answer

Fibers that enter and leave the sympathetic chain without synapsing form structures called )

Correct AnswerverifiedShow Answer

The blood vessels of the skin are one of the few areas of the body where the vessels are innervated by both the sympathetic and parasympathetic divisions.

Correct AnswerverifiedShow Answer

The gray rami communicantes consist of myelinated postganglionic fibers.

Correct AnswerverifiedShow Answer

Through direct neural stimulation, the sympathetic division promotes many metabolic effects via hormone release.

Correct AnswerverifiedShow Answer

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It can synapse with a ganglionic neuron ...
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Mrs. Oberhaus' doctor will perform a sym...
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After a meal, parasympathetic ...
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