Question 1

Which of the following nerves has parasympathetic axons?

Accepted Answer

A)   Facial
B)   Trigeminal
C)   Hypoglossal
D)   Spinal accessory
E)   AbducensF) B) and E)
G) B) and C)

Question 2

How does distribution of sympathetic nerves differ from the distribution of parasympathetic 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) None of the above
F) B) and D)

Question 3

The vagus nerve carries parasympathetic impulses to the ________.

Accepted Answer

A)   salivary glands
B)   lacrimal glands
C)   smooth muscle of the eyes
D)   thoracic and abdominal viscera
E)   thyroid glandF) B) and C)
G) A) and B)

Question 4

Consider the following situation: Sympathetic preganglionic axons enter a sympathetic chain ganglia. In order for these axons to reach collateral ganglia, they must now travel through

Accepted Answer

A)   a splanchnic nerve.
B)   a sympathetic nerve.
C)   a gray ramus communicans.
D)   a white ramus communicans.
E)   a dorsal root ganglion.F) All of the above
G) A) and E)

Question 5

If acetylcholine binds to muscarinic receptors,

Accepted Answer

A)   Na+ channels open.
B)   Ca2+ channels open.
C)   adrenaline is released.
D)   G proteins mediate the cell's response.
E)   the response is neither excitatory nor inhibitory.F) C) and D)
G) A) and E)

Question 6

When acetylcholine binds to autonomic muscarinic receptors, ________.

Accepted Answer

A)   heart rate increases
B)   voluntary movements occur
C)   intestinal motility increases
D)   intestinal motility decreases
E)   intestinal motility stopsF) A) and B)
G) A) and E)

Question 7

Which type of nerve would be damaged if sympathetic innervation of the adrenal medulla was disrupted?

Accepted Answer

A)   Splanchnic
B)   Sympathetic
C)   Spinal
D)   CranialE) A) and B)
F) B) and C)

Question 8

-This figure compares the organization of the somatic motor system and the autonomic nervous system. Identify structure "C" on the above diagram.

Accepted Answer

A)   Autonomic ganglion
B)   Somatic motor neuron
C)   Effector organ (smooth muscle of GI tract) 
D)   Postganglionic neuron
E)   Preganglionic neuronF) None of the above
G) B) and D)

Question 9

Stimulation by the autonomic nervous system results in increased insulin secretion from the pancreas during and after a meal. Which of 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)   Both "Increased insulin secretion is due to parasympathetic stimulation" and "Acetylcholine agonists will stimulate insulin secretion" are correct.F) A) and B)
G) A) and D)

Question 10

When norepinephrine binds to adrenergic receptors,

Accepted Answer

A)   Na+ channels open.
B)   Ca2+ channels open.
C)   adrenaline is released.
D)   G proteins mediate the cell's response.
E)   Na+ channels are closed.F) A) and E)
G) None of the above

Question 11

Sympathomimetic agents activate

Accepted Answer

A)   nicotinic receptors.
B)   muscarinic receptors.
C)   adrenergic receptors.
D)   somatotrophic receptors.
E)   cholinergic receptors.F) C) and D)
G) A) and E)

Question 12

Which of the following is NOT an effect of parasympathetic action?

Accepted Answer

A)   Increased tear production
B)   Increased motility of the intestines
C)   Increased metabolism
D)   Increased gastric secretionE) None of the above
F) A) and D)

Question 13

Parasympathetic ganglia are called ________ ganglia.

Accepted Answer

A)   pelvic
B)   chain
C)   collateral
D)   terminal
E)   dorsalF) B) and E)
G) B) and C)

Question 14

The ________ division of the ANS functions mainly to prepare the body for energy-expending, stressful situations.

Accepted Answer

A)   craniosacral
B)   parasympathetic
C)   somatic
D)   sympathetic
E)   sensoryF) A) and E)
G) A) and C)

Question 15

Which type of nerve would cause a blood vessel to constrict?

Accepted Answer

A)   Sensory
B)   Afferent
C)   Autonomic
D)   Somatic motor
E)   CranialF) A) and E)
G) C) and D)

Question 16

Which of the following statements applies to the autonomic nervous system (ANS) ?

Accepted Answer

A)   The ANS innervates skeletal muscle.
B)   ANS functions are consciously controlled.
C)   The ANS controls unconscious movement of skeletal muscles.
D)   The receptor molecules of the ANS may be muscarinic, nicotinic, or adrenergic.
E)   A single neuron from the spinal cord carries action potentials to effector organs in the ANS.F) D) and E)
G) B) and C)

Question 17

Which of the following is not an example of how the autonomic nervous system (ANS)  maintains homeostasis?

Accepted Answer

A)   Adjustment of muscle tone to maintain balance
B)   Alteration of heart rate to regulate blood pressure
C)   Stimulation of glucose release from the liver
D)   All of the choices are correct.E) B) and C)
F) A) and C)

Question 18

-This figure compares the organization of the somatic motor system and the autonomic nervous system. Identify structure "D" on the above diagram.

Accepted Answer

A)   Autonomic ganglion
B)   Somatic motor neuron
C)   Effector organ (smooth muscle of GI tract) 
D)   Postganglionic neuron
E)   Preganglionic neuronF) B) and E)
G) A) and C)

Question 19

Match the phrase to either the sympathetic or parasympathetic division of the autonomic nervous system.
-Stimulation of this system often activates many effectors at the same time

Accepted Answer

A)   Sympathetic
B)   ParasympatheticC) A) and B)
D) undefined

Question 20

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

Exam 16: Autonomic Nervous System

Which of the following statements applies to the autonomic nervous system (ANS) ?

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Which of the following is not an example of how the autonomic nervous system (ANS) maintains homeostasis?

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Which of the following nerves has parasympathetic axons?

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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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Parasympathetic ganglia are called ________ ganglia.

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The vagus nerve carries parasympathetic impulses to the ________.

Correct AnswerverifiedShow Answer

The ________ division of the ANS functions mainly to prepare the body for energy-expending, stressful situations.

Correct AnswerverifiedShow Answer

Consider the following situation: Sympathetic preganglionic axons enter a sympathetic chain ganglia. In order for these axons to reach collateral ganglia, they must now travel through

Correct AnswerverifiedShow Answer

Match the phrase to either the sympathetic or parasympathetic division of the autonomic nervous system. -Stimulation of this system often activates many effectors at the same time

Correct AnswerverifiedShow Answer

Sympathomimetic agents activate

Correct AnswerverifiedShow Answer

Which type of nerve would cause a blood vessel to constrict?

Correct AnswerverifiedShow Answer

How does distribution of sympathetic nerves differ from the distribution of parasympathetic nerves?

Correct AnswerverifiedShow Answer

If acetylcholine binds to muscarinic receptors,

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

-This figure compares the organization of the somatic motor system and the autonomic nervous system. Identify structure "C" on the above diagram.

Correct AnswerverifiedShow Answer

When norepinephrine binds to adrenergic receptors,

Correct AnswerverifiedShow Answer

Which of the following is NOT an effect of parasympathetic action?

Correct AnswerverifiedShow Answer

-This figure compares the organization of the somatic motor system and the autonomic nervous system. Identify structure "D" on the above diagram.

Correct AnswerverifiedShow Answer

When acetylcholine binds to autonomic muscarinic receptors, ________.

Correct AnswerverifiedShow Answer

Which type of nerve would be damaged if sympathetic innervation of the adrenal medulla was disrupted?

Correct AnswerverifiedShow Answer

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