Question 1

The postganglionic axons of the sympathetic branch of the ANS are considered short.

Accepted Answer

A) True 
 B)False

Question 2

In the brain, the ________ is the integration and command center for autonomic functions.

Accepted Answer

A)  medulla 
B)  cerebral cortex 
C)  spinal cord 
D)  brainstem 
E)  hypothalamus 
A)  medulla 
B)  cerebral cortex 
C)  spinal cord 
D)  brainstem 
E)  hypothalamus

Question 3

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

Accepted Answer

A) True 
 B)False

Question 4

Which type of innervation causes pupil dilation?

Accepted Answer

A)  Parasympathetic 
B)  Sympathetic 
A)  Parasympathetic 
B)  Sympathetic

Question 5

The sympathetic trunks are located

Accepted Answer

A)  superior to the brachial plexus. 
B)  inferior to the sacral plexus. 
C)  immediately lateral to the vertebral column. 
D)  lateral to prevertebral ganglia. 
E)  in the craniosacral regions. 
A)  superior to the brachial plexus. 
B)  inferior to the sacral plexus. 
C)  immediately lateral to the vertebral column. 
D)  lateral to prevertebral ganglia. 
E)  in the craniosacral regions.

Question 6

In an autonomic motor pathway, the first cell in the two-neuron chain is the ________ neuron.

Accepted Answer

A)  preganglionic 
B)  postganglionic 
C)  posterior 
D)  terminal 
E)  primary 
A)  preganglionic 
B)  postganglionic 
C)  posterior 
D)  terminal 
E)  primary

Question 7

The sympathetic postganglionic axons from the superior cervical ganglion innervate
A: Sweat glands in the head
B: Sweat glands in the palms
C: Smooth muscle of blood vessels in the head
D: Smooth muscles of blood vessels in the antebrachial region
E: Superior tarsal muscle of the eye
F: Submandibular salivary gland

Accepted Answer

A)  a, c, e 
B)  b, d, f 
C)  a, c, f 
D)  d, e, f 
E)  b, d 
A)  a, c, e 
B)  b, d, f 
C)  a, c, f 
D)  d, e, f 
E)  b, d

Question 8

The postganglionic axons from the superior mesenteric ganglion innervate

Accepted Answer

A)  the distal half of the duodenum. 
B)  part of the pancreas. 
C)  part of the small intestine. 
D)  the proximal part of the large intestine. 
E)  All of the choices are correct. 
A)  the distal half of the duodenum. 
B)  part of the pancreas. 
C)  part of the small intestine. 
D)  the proximal part of the large intestine. 
E)  All of the choices are correct.

Question 9

The prevertebral ganglion that receives axons that originate in the L1-L2 segments of the spinal cord is the ________ ganglion.

Accepted Answer

A)  celiac 
B)  superior mesenteric 
C)  inferior mesenteric 
D)  splenic 
E)  hepatic 
A)  celiac 
B)  superior mesenteric 
C)  inferior mesenteric 
D)  splenic 
E)  hepatic

Question 10

Which cranial nerves are associated with the parasympathetic division of the ANS?
A: III
B: IV
C: V
D: VII
E: IX
F: X
G: XII

Accepted Answer

A)  a, d, e, f 
B)  b, c, d, e 
C)  a, c, d, g 
D)  c, d, f, g 
E)  b, e, f, g 
A)  a, d, e, f 
B)  b, c, d, e 
C)  a, c, d, g 
D)  c, d, f, g 
E)  b, e, f, g

Question 11

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

Accepted Answer

A)  parasympathetic 
B)  somatic 
C)  sympathetic 
A)  parasympathetic 
B)  somatic 
C)  sympathetic

Question 12

Preganglionic neurons of the sympathetic division originate in the

Accepted Answer

A)  dorsal horns of the craniosacral brain and spinal cord. 
B)  ventral horns of the cervical and sacral spinal cord. 
C)  dorsal horns of the thoracolumbar spinal segments. 
D)  lateral horns of the thoracolumbar spinal segments. 
E)  ventral horns of the cervical and thoracic spinal segments. 
A)  dorsal horns of the craniosacral brain and spinal cord. 
B)  ventral horns of the cervical and sacral spinal cord. 
C)  dorsal horns of the thoracolumbar spinal segments. 
D)  lateral horns of the thoracolumbar spinal segments. 
E)  ventral horns of the cervical and thoracic spinal segments.

Question 13

Postganglionic sympathetic axons are carried from the sympathetic trunk to the spinal nerve by the

Accepted Answer

A)  white rami communicantes. 
B)  superior cervical ganglion. 
C)  gray rami communicantes. 
D)  splanchnic nerves. 
E)  pterygopalatine ganglion. 
A)  white rami communicantes. 
B)  superior cervical ganglion. 
C)  gray rami communicantes. 
D)  splanchnic nerves. 
E)  pterygopalatine ganglion.

Question 14

Neuronal ________ occurs when axons from numerous preganglionic cells synapse on a single ganglionic cell.

Accepted Answer

The answer of Neuronal ________ occurs when axons from numerous...

Question 15

The enteric nervous system is a network of neurons found throughout the walls of thoracic organs, such as the lungs.

Accepted Answer

A) True 
 B)False

Question 16

The sympathetic division of the ANS has

Accepted Answer

A)  long postganglionic axons. 
B)  norepinephrine as a transmitter substance. 
C)  preganglionic neuron cell bodies in the T1-L2 regions of the spinal cord. 
D)  Two of the choices are correct. 
E)  All of the choices are correct. 
A)  long postganglionic axons. 
B)  norepinephrine as a transmitter substance. 
C)  preganglionic neuron cell bodies in the T1-L2 regions of the spinal cord. 
D)  Two of the choices are correct. 
E)  All of the choices are correct.

Question 17

Which division functions to increase alertness and direct bodily responses in stressful situations?

Accepted Answer

A)  Parasympathetic 
B)  Sympathetic 
A)  Parasympathetic 
B)  Sympathetic

Question 18

Which statements are correct concerning the parasympathetic division of the ANS?
A: Contains preganglionic cell bodies in brainstem nuclei
B: Contains preganglionic cell bodies in the lateral horns of the T1-L2 regions
C: Participates in the "fight-or-flight" response
D: Helps maintain homeostasis
E: Contains preganglionic cell bodies in the sacral region of the spinal cord

Accepted Answer

A)  a, d, e 
B)  a, c, e 
C)  b, c, d 
D)  b, c 
E)  c, d, e 
A)  a, d, e 
B)  a, c, e 
C)  b, c, d 
D)  b, c 
E)  c, d, e

Question 19

The axons that release norepinephrine are called ________.

Accepted Answer

The answer of The axons that release norepinephrine are called...

Question 20

The two divisions of the autonomic nervous system

Accepted Answer

A)  use preganglionic and postganglionic neurons to innervate skeletal muscle. 
B)  contain autonomic ganglia to house ganglionic neurons. 
C)  are voluntary. 
D)  are composed of PNS structures only. 
E)  function only during sleep. 
A)  use preganglionic and postganglionic neurons to innervate skeletal muscle. 
B)  contain autonomic ganglia to house ganglionic neurons. 
C)  are voluntary. 
D)  are composed of PNS structures only. 
E)  function only during sleep.

Exam 15: Nervous System: Autonomic Nervous System

The postganglionic axons of the sympathetic branch of the ANS are considered short.

In the brain, the ________ is the integration and command center for autonomic functions.

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

Which type of innervation causes pupil dilation?

The sympathetic trunks are located

In an autonomic motor pathway, the first cell in the two-neuron chain is the ________ neuron.

The postganglionic axons from the superior mesenteric ganglion innervate

The prevertebral ganglion that receives axons that originate in the L1-L2 segments of the spinal cord is the ________ ganglion.

Which cranial nerves are associated with the parasympathetic division of the ANS? A: III B: IV C: V D: VII E: IX F: X G: XII

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

Preganglionic neurons of the sympathetic division originate in the

Postganglionic sympathetic axons are carried from the sympathetic trunk to the spinal nerve by the

Neuronal ________ occurs when axons from numerous preganglionic cells synapse on a single ganglionic cell.

The enteric nervous system is a network of neurons found throughout the walls of thoracic organs, such as the lungs.

The sympathetic division of the ANS has

Which division functions to increase alertness and direct bodily responses in stressful situations?

The axons that release norepinephrine are called ________.

The two divisions of the autonomic nervous system

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