Question 1

Cell bodies of the preganglionic sympathetic neurons are located within the

Accepted Answer

A)   sympathetic trunk.
B)   intramural ganglia.
C)   dorsal root ganglia.
D)   lateral gray horns of the spinal cord.

Question 2

Cell body of this autonomic neuron lies within the CNS.

Accepted Answer

A)   post-ganglionic neuron
B)   rami communicantes
C)   splanchnic nerves
D)   pre-ganglionic neuron
E)   collateral ganglia D

Question 3

Cell bodies of preganglionic sympathetic neurons are located within the

Accepted Answer

A)   intramural ganglia.
B)   dorsal root ganglia.
C)   sympathetic trunk.
D)   lateral horns of the gray matter of the spinal cord.

Question 4

Which of these is not a characteristic of the parasympathetic division?

Accepted Answer

A)   branched fibers
B)   cholinergic fibers
C)   myelinated fibers
D)   intramural ganglia

Question 5

Sympathetic structures of the abdomen that lie anterior to the vertebral column.

Accepted Answer

A)   medulla oblongata
B)   rami communicantes
C)   pre-ganglionic neuron
D)   collateral ganglia
E)   hypothalamus

Question 6

Visceral reflexes that do not involve the CNS but instead synapse in sympathetic ganglia are called reflex arcs.

Accepted Answer

The answer of Visceral reflexes that do not involve the...

Question 7

The sympathetic system causes

Accepted Answer

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

Question 8

Because the fibers of the sympathetic division arise from the thoracic and lumbar regions of the spinal cord, they cannot innervate structures of the head or pelvis.

Accepted Answer

A) True 
 B)False

Question 9

Sympathetic trunk ganglia contain the cell bodies of sensory neurons and are located in the dorsal root of the spinal cord.

Accepted Answer

A) True 
 B)False  False

Question 10

Division that is dominant during rest, digestion, and excretion.

Accepted Answer

A)   cholinergic
B)   sympathetic
C)   parasympathetic
D)   enteric nervous system
E)   inferior hypogastric plexus

Question 11

The ANS stimulates cardiac muscle as well as smooth muscle and glands. Which of the following nerves carries autonomic fibers that increase the rate of cardiac muscle contraction?

Accepted Answer

A)   sympathetic nerves from the middle and inferior cervical ganglion
B)   vagus nerves
C)   sympathetic nerves from the lower half of the thoracolumbar spinal cord
D)   phrenic nerves

Question 12

The sympathetic and parasympathetic divisions differ markedly in the branching of the postganglionic fibers. Explain the anatomical difference and its significance.

Accepted Answer

The postganglionic fibers of the parasym...

Question 13

Division that is dominant during exercise, excitement, or emergencies.

Accepted Answer

A)   sympathetic
B)   cholinergic
C)   parasympathetic
D)   enteric nervous system
E)   inferior hypogastric plexus

Question 14

The part of the brain that exerts more control over autonomic functioning than any other part is the

Accepted Answer

A)   cerebellum.
B)   hypothalamus.
C)   cerebral cortex.
D)   thalamus. B

Question 15

Which of these statements concerning gray rami communicantes is incorrect?

Accepted Answer

A)   Their fibers are unmyelinated.
B)   They are associated with sympathetic trunk ganglia.
C)   They contain all the preganglionic fibers traveling to the sympathetic chain.
D)   They carry postganglionic fibers to peripheral structures.

Question 16

The plexus is a network through which branches of the vagus pass to the intestines and liver.

Accepted Answer

The answer of The plexus is a network through which...

Question 17

Identify three anatomical differences that distinguish the sympathetic division from parasympathetic division.

Accepted Answer

The two subdivisions of the ANS can be d...

Question 18

This division can also be called the craniosacral division.

Accepted Answer

A)   parasympathetic division
B)   sympathetic division
C)   autonomic nervous system

Question 19

Which of these statements concerning the sympathetic division is incorrect?

Accepted Answer

A)   There is a sympathetic trunk ganglion for each of the 31 spinal nerves.
B)   The preganglionic cell bodies form the lateral gray horn in some areas of the spinal cord.
C)   There is approximately one chain ganglion for each spinal nerve.
D)   It is more complex than the parasympathetic system because it supplies more structures than the parasympathetic system.

Question 20

Short nerve branches that connect the ventral rami of spinal nerves to the sympathetic ganglia.

Accepted Answer

A)   sympathetic trunk
B)   medulla oblongata
C)   hypothalamus
D)   medulla
E)   rami communicantes

Exam 15: The Nervous System: the Brain and Cranial Nerves

Cell bodies of the preganglionic sympathetic neurons are located within the

Correct AnswerverifiedShow Answer

Cell body of this autonomic neuron lies within the CNS.

Correct AnswerverifiedD

Cell bodies of preganglionic sympathetic neurons are located within the

Correct AnswerverifiedShow Answer

Which of these is not a characteristic of the parasympathetic division?

Correct AnswerverifiedShow Answer

Sympathetic structures of the abdomen that lie anterior to the vertebral column.

Correct AnswerverifiedShow Answer

Visceral reflexes that do not involve the CNS but instead synapse in sympathetic ganglia are called reflex arcs.

Correct AnswerverifiedShow Answer

The sympathetic system causes

Correct AnswerverifiedShow Answer

Because the fibers of the sympathetic division arise from the thoracic and lumbar regions of the spinal cord, they cannot innervate structures of the head or pelvis.

Correct AnswerverifiedShow Answer

Sympathetic trunk ganglia contain the cell bodies of sensory neurons and are located in the dorsal root of the spinal cord.

Correct AnswerverifiedFalse

Division that is dominant during rest, digestion, and excretion.

Correct AnswerverifiedShow Answer

The ANS stimulates cardiac muscle as well as smooth muscle and glands. Which of the following nerves carries autonomic fibers that increase the rate of cardiac muscle contraction?

Correct AnswerverifiedShow Answer

The sympathetic and parasympathetic divisions differ markedly in the branching of the postganglionic fibers. Explain the anatomical difference and its significance.

Correct AnswerverifiedThe postganglionic fibers of the parasym...View AnswerShow Answer

Division that is dominant during exercise, excitement, or emergencies.

Correct AnswerverifiedShow Answer

The part of the brain that exerts more control over autonomic functioning than any other part is the

Correct AnswerverifiedB

Which of these statements concerning gray rami communicantes is incorrect?

Correct AnswerverifiedShow Answer

The plexus is a network through which branches of the vagus pass to the intestines and liver.

Correct AnswerverifiedShow Answer

Identify three anatomical differences that distinguish the sympathetic division from parasympathetic division.

Correct AnswerverifiedThe two subdivisions of the ANS can be d...View AnswerShow Answer

This division can also be called the craniosacral division.

Correct AnswerverifiedShow Answer

Which of these statements concerning the sympathetic division is incorrect?

Correct AnswerverifiedShow Answer

Short nerve branches that connect the ventral rami of spinal nerves to the sympathetic ganglia.

Correct AnswerverifiedShow Answer

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D

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False

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The postganglionic fibers of the parasym...
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B

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The two subdivisions of the ANS can be d...
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