Question 1

The superior mesenteric ganglion of the sympathetic branch of the ANS is adjacent to the origin of the superior mesenteric artery.

Accepted Answer

A) True 
 B)False

Question 2

Parasympathetic ______________ axons are longer than their counterparts in the sympathetic division.

Accepted Answer

The answer of Parasympathetic ______________ axons are longer than their...

Question 3

Which autonomic plexus consists of postganglionic sympathetic axons that come off the cervical and thoracic sympathetic trunk ganglia,as well as preganglionic axons from the vagus nerve

Accepted Answer

A)  Esophageal plexus
B)  Pulmonary plexus
C)  Abdominal aortic plexus
D)  Hypogastric plexus
E)  Cardiac plexusF) A) and C)
G) All of the above

Question 4

The "fight-or-flight" system is the __________ nervous system.

Accepted Answer

A)  parasympathetic
B)  somatic
C)  sympatheticD) B) and C)
E) A) and C)

Question 5

When neurotransmitter binds to muscarinic receptors on smooth muscle cells in the gastrointestinal tract,

Accepted Answer

A)  motility increases.
B)  motility decreases.C) A) and B)
D) undefined

Question 6

All ANS preganglionic axons release _____________ as their neurotransmitter.

Accepted Answer

The answer of All ANS preganglionic axons release _____________ as...

Question 7

When norepinephrine is released from postganglionic neurons,its targets are

Accepted Answer

A)  adrenergic receptors on effectors such as smooth muscle.
B)  adrenergic receptors on preganglionic sympathetic neurons.
C)  cholinergic receptors on effectors such as cardiac muscle.
D)  cholinergic receptors on preganglionic sympathetic neurons.E) None of the above
F) All of the above

Question 8

When an effector receives input from both the sympathetic and the parasympathetic divisions,it is said to have ________ innervation.

Accepted Answer

The answer of When an effector receives input from both...

Question 9

Autonomic _________ are collections of sympathetic postganglionic axons and parasympathetic preganglionic axons,as well as some visceral sensory axons.

Accepted Answer

The answer of Autonomic _________ are collections of sympathetic postganglionic...

Question 10

Which system has long preganglionic axons and therefore ganglia that are relatively far from the central nervous system

Accepted Answer

A)  Parasympathetic nervous system
B)  Somatic nervous system
C)  Sympathetic nervous systemD) A) and B)
E) A) and C)

Question 11

The preganglionic axons of CN VII extend to the

Accepted Answer

A)  pterygopalatine ganglion.
B)  submandibular ganglion.
C)  otic ganglion.
D)  pterygopalatine and submandibular ganglia.
E)  pterygopalatine,submandibular,and otic ganglia.F) B) and E)
G) A) and B)

Question 12

Postganglionic axons from the celiac ganglion innervate the

Accepted Answer

A)  stomach.
B)  spleen.
C)  liver.
D)  gallbladder.
E)  All of the choices are correct.F) B) and E)
G) B) and C)

Question 13

Nicotinic receptors bind

Accepted Answer

A)  acetylcholine and allow chloride ions to exit the cell.
B)  acetylcholine and allow sodium ions to enter the cell.
C)  muscarine and increase the contractility of intestinal muscle.
D)  norepinephrine and can either stimulate or inhibit the cell.
E)  norepinephrine and allow potassium entry,thereby exciting the cell.F) B) and E)
G) A) and C)

Question 14

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 15

Which type of pathway does this diagram illustrate

Accepted Answer

A)  Spinal nerve pathway
B)  Postganglionic sympathetic nerve pathway
C)  Adrenal medulla pathway
D)  Splanchnic nerve pathway
E)  Raynaud nerve pathwayF) All of the above
G) C) and E)

Question 16

The sympathetic trunk ganglia are primarily composed of

Accepted Answer

A)  axons of preganglionic neurons.
B)  axons of postganglionic neurons.
C)  somas of preganglionic neurons.
D)  somas of ganglionic neurons.E) None of the above
F) A) and B)

Question 17

The sympathetic division pathway that results in innervation of the pelvic organs has its spinal cord segment origin in

Accepted Answer

A)  T1-T2.
B)  T1-L2.
C)  T1-T4.
D)  T5-T12.
E)  T10-L2.F) None of the above
G) A) and E)

Question 18

From which part of the CNS do parasympathetic preganglionic axons of CN VII emerge

Accepted Answer

A)  Mesencephalon
B)  Cerebral cortex
C)  Pons
D)  Lateral horns of the S1 spinal cord segment
E)  Lateral horns of the T1 spinal cord segmentF) C) and D)
G) A) and B)

Question 19

Once inside the sympathetic trunk,the sympathetic preganglionic axons

Accepted Answer

A)  remain at the level of entry.
B)  travel superiorly.
C)  travel inferiorly.
D)  follow any of the routes listed.E) A) and D)
F) A) and B)

Question 20

Tear secretions are governed by parasympathetic fibers within which cranial nerve

Accepted Answer

A)  III
B)  V
C)  VII
D)  IX
E)  XF) C) and D)
G) B) and C)

Exam 15: Nervous System: Autonomic Nervous System

The sympathetic division pathway that results in innervation of the pelvic organs has its spinal cord segment origin in

Correct AnswerverifiedShow Answer

The sympathetic trunk ganglia are primarily composed of

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 "fight-or-flight" system is the __________ nervous system.

Correct AnswerverifiedShow Answer

Parasympathetic ______________ axons are longer than their counterparts in the sympathetic division.

Correct AnswerverifiedShow Answer

All ANS preganglionic axons release _____________ as their neurotransmitter.

Correct AnswerverifiedShow Answer

Which type of pathway does this diagram illustrate

Correct AnswerverifiedShow Answer

Autonomic _________ are collections of sympathetic postganglionic axons and parasympathetic preganglionic axons,as well as some visceral sensory axons.

Correct AnswerverifiedShow Answer

From which part of the CNS do parasympathetic preganglionic axons of CN VII emerge

Correct AnswerverifiedShow Answer

Postganglionic axons from the celiac ganglion innervate the

Correct AnswerverifiedShow Answer

The preganglionic axons of CN VII extend to the

Correct AnswerverifiedShow Answer

Once inside the sympathetic trunk,the sympathetic preganglionic axons

Correct AnswerverifiedShow Answer

When norepinephrine is released from postganglionic neurons,its targets are

Correct AnswerverifiedShow Answer

The superior mesenteric ganglion of the sympathetic branch of the ANS is adjacent to the origin of the superior mesenteric artery.

Correct AnswerverifiedShow Answer

Which system has long preganglionic axons and therefore ganglia that are relatively far from the central nervous system

Correct AnswerverifiedShow Answer

Which autonomic plexus consists of postganglionic sympathetic axons that come off the cervical and thoracic sympathetic trunk ganglia,as well as preganglionic axons from the vagus nerve

Correct AnswerverifiedShow Answer

Tear secretions are governed by parasympathetic fibers within which cranial nerve

Correct AnswerverifiedShow Answer

Nicotinic receptors bind

Correct AnswerverifiedShow Answer

When an effector receives input from both the sympathetic and the parasympathetic divisions,it is said to have ________ innervation.

Correct AnswerverifiedShow Answer

When neurotransmitter binds to muscarinic receptors on smooth muscle cells in the gastrointestinal tract,

Correct AnswerverifiedShow Answer

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