Question 1

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

Question 2

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. 
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.

Question 3

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)  Cranial 
A)  Splanchnic 
B)  Sympathetic 
C)  Spinal 
D)  Cranial

Question 4

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. 
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.

Question 5

Parasympathetic ganglia are called ________ ganglia.

Accepted Answer

A)  pelvic 
B)  chain 
C)  collateral 
D)  terminal 
E)  dorsal 
A)  pelvic 
B)  chain 
C)  collateral 
D)  terminal 
E)  dorsal

Question 6

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

Question 7

Sympathomimetic agents activate

Accepted Answer

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

Question 8

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

Accepted Answer

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

Question 9

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)  sensory 
A)  craniosacral 
B)  parasympathetic 
C)  somatic 
D)  sympathetic 
E)  sensory

Question 10

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)  Parasympathetic 
A)  Sympathetic 
B)  Parasympathetic

Question 11

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

Question 12

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. 
A)  a splanchnic nerve. 
B)  a sympathetic nerve. 
C)  a gray ramus communicans. 
D)  a white ramus communicans. 
E)  a dorsal root ganglion.

Question 13

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. 
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.

Question 14

Which of the following nerves has parasympathetic axons?

Accepted Answer

A)  Facial 
B)  Trigeminal 
C)  Hypoglossal 
D)  Spinal accessory 
E)  Abducens 
A)  Facial 
B)  Trigeminal 
C)  Hypoglossal 
D)  Spinal accessory 
E)  Abducens

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)  Cranial 
A)  Sensory 
B)  Afferent 
C)  Autonomic 
D)  Somatic motor 
E)  Cranial

Question 16

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 stops 
A)  heart rate increases 
B)  voluntary movements occur 
C)  intestinal motility increases 
D)  intestinal motility decreases 
E)  intestinal motility stops

Question 17

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. 
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.

Question 18

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 secretion 
A)  Increased tear production 
B)  Increased motility of the intestines 
C)  Increased metabolism 
D)  Increased gastric secretion

Question 19

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. 
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.

Question 20

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. 
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.

Exam 16: Autonomic Nervous System

The vagus nerve carries parasympathetic impulses to the ________.

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

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

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?

Parasympathetic ganglia are called ________ ganglia.

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

Sympathomimetic agents activate

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

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

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

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

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

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

Which of the following nerves has parasympathetic axons?

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

When acetylcholine binds to autonomic muscarinic receptors, ________.

When norepinephrine binds to adrenergic receptors,

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

If acetylcholine binds to muscarinic receptors,

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

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