Question 1

The parasympathetic postganglionic axons that travel to the pupillary constrictor muscle result in pupil ________ when the eye is exposed to bright light.

Accepted Answer

The answer of The parasympathetic postganglionic axons that travel to...

Question 2

With respect to divergence of axons in the sympathetic division of the ANS,one axon innervates fewer than four ganglionic cell bodies.

Accepted Answer

A) True 
 B)False

Question 3

Except for the _______ region of the spinal cord,one sympathetic trunk ganglion is approximately associated with each spinal nerve.

Accepted Answer

The answer of Except for the _______ region of the...

Question 4

The first of the two ANS motor neurons is the ______ neuron.

Accepted Answer

A)  preganglionic
B)  postganglionic
C)  terminal
D)  neuronal
E)  posteriorF) All of the above
G) B) and D)

Question 5

Which is not true about the autonomic nervous system (ANS) ?

Accepted Answer

A)  The ANS is part of both the CNS and the PNS.
B)  ANS functions are involuntary.
C)  The ANS does not use sensory neurons.
D)  ANS motor neurons innervate cardiac muscle fibers,smooth muscle fibers,and glands.
E)  ANS motor pathways always include two neurons.F) B) and D)
G) B) and E)

Question 6

Which is not an effector innervated by the autonomic nervous system?

Accepted Answer

A)  Cardiac muscle
B)  Smooth muscle
C)  Glands
D)  Skeletal muscle
E)  No exceptions;all are effectors of the autonomic nervous systemF) A) and B)
G) A) and E)

Question 7

Which type of innervation causes reduced blood flow to the digestive tract?

Accepted Answer

A)  Parasympathetic
B)  SympatheticC) A) and B)
D) undefined

Question 8

Specific prevertebral ganglia are named after the

Accepted Answer

A)  effector organ stimulated by the postganglionic axon.
B)  major abdominal arteries around which they are found.
C)  vertebra from under which the preganglionic axon travels.
D)  distance from the corresponding parasympathetic ganglion.
E)  early anatomist who discovered and described them.F) B) and C)
G) A) and E)

Question 9

-Which of the diagrams illustrates a parasympathetic ANS pathway?

Accepted Answer

A)  1
B)  2C) A) and B)
D) undefined

Question 10

Which sympathetic pathway is responsible for activating the esophagus,heart,lungs,and thoracic blood vessels?

Accepted Answer

A)  Splanchnic nerve pathway
B)  Adrenal medulla pathway
C)  Postganglionic sympathetic nerve pathway
D)  Spinal nerve pathway
E)  None of the choices is correct.F) A) and B)
G) A) and E)

Question 11

Sweating is a result of sympathetic stimulation.

Accepted Answer

A) True 
 B)False

Question 12

Which is not true about the somatic nervous system (SNS) ?

Accepted Answer

A)  The SNS is under voluntary control.
B)  The SNS uses motor and sensory neurons.
C)  The SNS innervates skeletal muscle fibers.
D)  The SNS is part of both the CNS and the PNS.
E)  The SNS is activated by visceral sensory neurons.F) C) and D)
G) C) and E)

Question 13

Paravertebral and prevertebral ganglia are part of the parasympathetic branch of the ANS.

Accepted Answer

A) True 
 B)False

Question 14

Which sympathetic pathway involves a preganglionic neuron that synapses with a ganglionic neuron in a sympathetic trunk ganglion,but the postganglionic axon does not leave the trunk via a gray ramus?

Accepted Answer

A)  Splanchnic nerve pathway
B)  Adrenal medulla pathway
C)  Postganglionic sympathetic nerve pathway
D)  Spinal nerve pathway
E)  None of the choices is correct.F) B) and C)
G) C) and D)

Question 15

The CN having multiple terminal and intramural ganglia is

Accepted Answer

A)  CN III.
B)  CN VII.
C)  CN IX.
D)  CN X.
E)  CN XII.F) B) and D)
G) A) and B)

Question 16

The __________ division of the ANS is most commonly associated with the preparation of the body for emergencies.

Accepted Answer

The answer of The __________ division of the ANS is...

Question 17

Which may be involved in an autonomic reflex?

Accepted Answer

A)  Cardiac muscle contraction
B)  Smooth muscle contraction
C)  Secretion by glands
D)  All of the choices are correct.
E)  None of the choices is correct.F) All of the above
G) A) and C)

Question 18

The lack of extensive divergence of parasympathetic preganglionic axons prevents the mass activation seen in the sympathetic division.

Accepted Answer

A) True 
 B)False

Question 19

"Rest and digest," as well as the maintenance of homeostasis,is associated with the action of the _________ division of the ANS.

Accepted Answer

The answer of "Rest and digest," as well as the...

Question 20

The cardiac sphincter is innervated by parasympathetic axons coming from the _______ plexus.

Accepted Answer

A)  esophageal
B)  abdominal aortic
C)  pulmonary
D)  hypogastric
E)  cardiacF) A) and D)
G) B) and D)

Exam 18: Autonomic Nervous System

Paravertebral and prevertebral ganglia are part of the parasympathetic branch of the ANS.

Correct AnswerverifiedShow Answer

The __________ division of the ANS is most commonly associated with the preparation of the body for emergencies.

Correct AnswerverifiedShow Answer

Which sympathetic pathway involves a preganglionic neuron that synapses with a ganglionic neuron in a sympathetic trunk ganglion,but the postganglionic axon does not leave the trunk via a gray ramus?

Correct AnswerverifiedShow Answer

Sweating is a result of sympathetic stimulation.

Correct AnswerverifiedShow Answer

Which type of innervation causes reduced blood flow to the digestive tract?

Correct AnswerverifiedShow Answer

Which sympathetic pathway is responsible for activating the esophagus,heart,lungs,and thoracic blood vessels?

Correct AnswerverifiedShow Answer

"Rest and digest," as well as the maintenance of homeostasis,is associated with the action of the _________ division of the ANS.

Correct AnswerverifiedShow Answer

The parasympathetic postganglionic axons that travel to the pupillary constrictor muscle result in pupil ________ when the eye is exposed to bright light.

Correct AnswerverifiedShow Answer

The cardiac sphincter is innervated by parasympathetic axons coming from the _______ plexus.

Correct AnswerverifiedShow Answer

Which is not true about the somatic nervous system (SNS) ?

Correct AnswerverifiedShow Answer

Which may be involved in an autonomic reflex?

Correct AnswerverifiedShow Answer

Specific prevertebral ganglia are named after the

Correct AnswerverifiedShow Answer

The CN having multiple terminal and intramural ganglia is

Correct AnswerverifiedShow Answer

Which is not true about the autonomic nervous system (ANS) ?

Correct AnswerverifiedShow Answer

With respect to divergence of axons in the sympathetic division of the ANS,one axon innervates fewer than four ganglionic cell bodies.

Correct AnswerverifiedShow Answer

The first of the two ANS motor neurons is the ______ neuron.

Correct AnswerverifiedShow Answer

-Which of the diagrams illustrates a parasympathetic ANS pathway?

Correct AnswerverifiedShow Answer

Except for the _______ region of the spinal cord,one sympathetic trunk ganglion is approximately associated with each spinal nerve.

Correct AnswerverifiedShow Answer

Which is not an effector innervated by the autonomic nervous system?

Correct AnswerverifiedShow Answer

The lack of extensive divergence of parasympathetic preganglionic axons prevents the mass activation seen in the sympathetic division.

Correct AnswerverifiedShow Answer

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