Question 1

Autonomic reflexes might be integrated in the

Accepted Answer

A)   medulla oblongata.
B)   spinal cord.
C)   hypothalamus.
D)   thalamus.
E)   medula oblongata, spinal cord and hypothalamus.F) C) and D)
G) C) and E)

Question 2

The figure illustrates the autonomic reflexes and the heart. What does "D" represent?

Accepted Answer

A)   sympathetic nerve
B)   increase in blood pressure detected by carotid baroreceptors
C)   glossopharyngeal nerve
D)   decrease in blood pressure detected by carotid baroreceptors
E)   vagus nerveF) C) and D)
G) C) and E)

Question 3

Stimulation by the autonomic nervous system results in increased insulin secretion from the pancreas during and after a meal. The following are most likely to be true.

Accepted Answer

A)   increased insulin secretion is due to parasympathetic stimulation
B)   acetylcholine agonists will stimulate insulin secretion
C)   increased insulin secretion is due to sympathetic stimulation
D)   increased insulin secretion is due to adrenergic agonists
E)   increased insulin secretion is due to parasympathetic stimulation and acetylcholine agonists will stimulate insulin secretionF) D) and E)
G) C) and E)

Question 4

Parasympathetic preganglionic axons from the sacral region of the spinal cord course through ____ nerves that innervate the ____.

Accepted Answer

A)   splanchnic; urinary bladder and adrenal glands
B)   pelvic; lower colon and reproductive glands
C)   sacral; lower colon and urinary bladder
D)   lumbar; stomach and intestines
E)   coccygeal; anus and vaginaF) A) and C)
G) A) and E)

Question 5

The two divisions of the ANS have antagonistic effects on each of the following EXCEPT

Accepted Answer

A)   the diameter of the blood vessels in skeletal muscles
B)   the diameter of bronchioles in the lungs
C)   gastrointestinal peristalsis
D)   heart rate
E)   the eyeF) A) and B)
G) B) and E)

Question 6

Sympathetic effects are always stimulatory, while parasympathetic effects are always inhibitory.

Accepted Answer

A) True 
 B)False

Question 7

Identify structure "E" on the bottom diagram.

Accepted Answer

A)   autonomic ganglion
B)   somatic motor neuron
C)   effector organ (smooth muscle of GI tract) 
D)   postganglionic neuron
E)   preganglionic neuronF) All of the above
G) A) and E)

Question 8

Chain ganglia are part of the

Accepted Answer

A)   central nervous system.
B)   sympathetic branch of the ANS.
C)   somatic motor branch of the ANS.
D)   parasympathetic branch of the ANS.
E)   spinal cord.F) B) and E)
G) D) and E)

Question 9

Match the phrase to either the sympathetic or parasympathetic division of the autonomic nervous system.
-effects more localized

Accepted Answer

A)  sympathetic
B)  parasympatheticC) A) and B)
D) undefined

Question 10

Preganglionic fibers from the thoracic and lumbar segments of the spinal cord are part of the ____ division of the ANS.

Accepted Answer

A)   central
B)   sympathetic
C)   somatic motor
D)   parasympathetic
E)   ganglionicF) C) and D)
G) All of the above

Question 11

The figure illustrates the parasympathetic division. What does "D" represent?

Accepted Answer

A)   preganglionic neurons
B)   pelvic splanchnic nerves
C)   cranial nerves
D)   postganglionic neurons
E)   terminal gangliaF) B) and D)
G) C) and E)

Question 12

Which of the following statements is true?

Accepted Answer

A)   The sympathetic division diverges more than the parasympathetic division.
B)   Increased parasympathetic activity is consistent with increased physical activity.
C)   One division of the ANS is always stimulatory and the other is always inhibitory.
D)   Structures receiving both dual autonomic innervation are regulated equally by both divisions.
E)   There is dual innervation of all organs.F) A) and C)
G) C) and D)

Question 13

Acetylcholine will cause the pupil of the eye to constrict. A drug acts on receptors for acetylcholine to cause the pupils of the eye to dilate. Nicotine does not bind to receptors in smooth muscle cells of the iris. Therefore, the drug which causes the pupils to dilate is a

Accepted Answer

A)   nicotinic blocking agent.
B)   muscarinic blocking agent.
C)   a nicotinic agent.
D)   a muscarinic agent.
E)   an adrenergic agent.F) A) and D)
G) A) and E)

Question 14

Match the phrase to either the sympathetic or parasympathetic division of the autonomic nervous system.
-fight-or-flight response

Accepted Answer

A)  sympathetic
B)  parasympatheticC) A) and B)
D) undefined

Question 15

Match the phrase to either the sympathetic or parasympathetic division of the autonomic nervous system.
-increases activity of GI tract

Accepted Answer

A)  sympathetic
B)  parasympatheticC) A) and B)
D) undefined

Question 16

The component of the autonomic reflex arc that detects a change in stimulus is the

Accepted Answer

A)   receptor.
B)   sensory neuron.
C)   integrating center.
D)   motor neuron.
E)   ganglion.F) A) and B)
G) A) and C)

Question 17

Which of the following neurons is most likely to be adrenergic?

Accepted Answer

A)   preganglionic sympathetic
B)   preganglionic parasympathetic
C)   postganglionic sympathetic
D)   postganglionic parasympathetic
E)   postganglionic somatic motorF) A) and C)
G) C) and D)

Question 18

Match the phrase to either the sympathetic or parasympathetic division of the autonomic nervous system.
-functions at rest

Accepted Answer

A)  sympathetic
B)  parasympatheticC) A) and B)
D) undefined

Question 19

Which of the following is NOT a type of enteric neuron?

Accepted Answer

A)   enteric interneuron
B)   enteric sensory neuron
C)   enteric bipolar neuron
D)   enteric motor neuronE) None of the above
F) B) and D)

Question 20

How does distribution of symapthetic nerves differ from the distribution of parasymapthetic nerves?

Accepted Answer

A)   Only the sympathetic division serves the head and neck.
B)   Only parasympathetic nerves innervate the thoracic region.
C)   Sympathetic fibers innervate the abdominal cavity, while parasympathetic fibers innervate the pelvic region.
D)   Spinal nerves contain sympathetic fibers, while cranial nerves contain parasympathetic fibers.E) A) and B)
F) A) and C)

Exam 16: Autonomic Nervous System

Which of the following is NOT a type of enteric neuron?

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The component of the autonomic reflex arc that detects a change in stimulus is the

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Parasympathetic preganglionic axons from the sacral region of the spinal cord course through ____ nerves that innervate the ____.

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Chain ganglia are part of the

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Match the phrase to either the sympathetic or parasympathetic division of the autonomic nervous system. -fight-or-flight response

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The two divisions of the ANS have antagonistic effects on each of the following EXCEPT

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The figure illustrates the autonomic reflexes and the heart. What does "D" represent?

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How does distribution of symapthetic nerves differ from the distribution of parasymapthetic nerves?

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Preganglionic fibers from the thoracic and lumbar segments of the spinal cord are part of the ____ division of the ANS.

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Stimulation by the autonomic nervous system results in increased insulin secretion from the pancreas during and after a meal. The following are most likely to be true.

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Identify structure "E" on the bottom diagram.

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Autonomic reflexes might be integrated in the

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Match the phrase to either the sympathetic or parasympathetic division of the autonomic nervous system. -effects more localized

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Which of the following neurons is most likely to be adrenergic?

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Sympathetic effects are always stimulatory, while parasympathetic effects are always inhibitory.

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Acetylcholine will cause the pupil of the eye to constrict. A drug acts on receptors for acetylcholine to cause the pupils of the eye to dilate. Nicotine does not bind to receptors in smooth muscle cells of the iris. Therefore, the drug which causes the pupils to dilate is a

Correct AnswerverifiedShow Answer

Match the phrase to either the sympathetic or parasympathetic division of the autonomic nervous system. -increases activity of GI tract

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Match the phrase to either the sympathetic or parasympathetic division of the autonomic nervous system. -functions at rest

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The figure illustrates the parasympathetic division. What does "D" represent?

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Which of the following statements is true?

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Parasympathetic preganglionic axons from the sacral region of the spinal cord course through nerves that innervate the .

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