Question 1

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) All of the above
F) B) and C)

Question 2

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) B) and C)
G) A) and E)

Question 3

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 4

Sweat glands and arrector pili muscles are controlled

Accepted Answer

A)   only by the parasympathetic nervous system.
B)   only by the sympathetic nervous system.
C)   by both the sympathetic and parasympathetic nervous systems.
D)   by both the autonomic and somatic nervous systems.E) None of the above
F) A) and C)

Question 5

Typically, alpha adrenergic receptors have

Accepted Answer

A)   stimulatory effects.
B)   inhibitory effects.C) A) and B)
D) undefined

Question 6

Dual innervation means that an individual effector

Accepted Answer

A)   may be excited or inhibited by a single division of the autonomic nervous system.
B)   receives input from both the somatic and the autonomic nervous systems.
C)   receives input from both the sympathetic and the parasympathetic nervous systems.
D)   receives two autonomic axons on each smooth muscle cell.E) B) and C)
F) A) and D)

Question 7

Which autonomic plexus innervates viscera within the pelvic region?

Accepted Answer

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

Question 8

The sympathetic trunk ganglia are primarily composed of

Accepted Answer

A)   axons of preganglionic neurons.
B)   axons of ganglionic neurons.
C)   somas of preganglionic neurons.
D)   somas of ganglionic neurons.E) A) and B)
F) C) and D)

Question 9

Catecholamines include

Accepted Answer

A)   acetylcholine, epinephrine, and norepinephrine.
B)   dopamine, epinephrine, and norepinephrine.
C)   acetylcholine, epinephrine, and dopamine.
D)   epinephrine, norepinephrine, serotonin, and all monoamines.E) A) and B)
F) A) and C)

Question 10

The circuitry of the autonomic system allows for control in activation. The characteristic that allows a small number of preganglionic cells to stimulate a large number of postganglionic cells is

Accepted Answer

A)   convergence.
B)   reverberation.
C)   divergence.
D)   reciprocal innervation.E) B) and C)
F) A) and D)

Question 11

The ________ ganglia differ from the sympathetic trunk ganglia segments in that they are single structures, rather than paired.

Accepted Answer

The answer of The ________ ganglia differ from the sympathetic...

Question 12

The diameter of many blood vessels is controlled exclusively by the ________ nervous system, and decreases in the activity of this system result in ________.

Accepted Answer

A)   parasympathetic; vasoconstriction
B)   parasympathetic; vasodilation
C)   somatic; vasoconstriction.
D)   sympathetic; vasoconstriction.
E)   sympathetic; vasodilation.F) All of the above
G) None of the above

Question 13

Activation of parasympathetic fibers in pelvic splanchnic nerves leads to

Accepted Answer

A)   increased smooth muscle motility in the digestive tract.
B)   decreased smooth muscle motility in the digestive tract.
C)   no effect on the digestive tract.D) A) and B)
E) A) and C)

Question 14

With respect to divergence of axons in the sympathetic division of the ANS, one axon innervates fewer than four ganglionic cell bodies.

Accepted Answer

A) True 
 B)False

Question 15

The centers for cardiac, digestive, and vasomotor functions are housed within the

Accepted Answer

A)   brainstem.
B)   hypothalamus.
C)   spinal cord.
D)   cerebral cortex.
E)   cerebellum.F) C) and D)
G) A) and E)

Question 16

Except for the ________ region of the spinal cord, one sympathetic trunk ganglion is approximately associated with each spinal nerve.

Accepted Answer

The answer of Except for the ________ region of the...

Question 17

The ________ division of the ANS is most commonly associated with the preparation of the body for emergencies.

Accepted Answer

The answer of The ________ division of the ANS is...

Question 18

The type of adrenergic receptor found on the smooth muscle cells of blood vessels in the skin is

Accepted Answer

A)   α1
B)   α2
C)   β1
D)   β2E) A) and C)
F) None of the above

Question 19

Gray rami from the sympathetic trunk connect to

Accepted Answer

A)   alternating spinal nerves.
B)   the cranial nerves.
C)   all spinal nerves.
D)   the sympathetic trunk.E) B) and C)
F) None of the above

Question 20

Parasympathetic activity is responsible for increased smooth muscle motility and secretory activity in digestive tract organs.

Accepted Answer

A) True 
 B)False

Exam 15: Nervous System: Autonomic Nervous System

Sweat glands and arrector pili muscles are controlled

Correct AnswerverifiedShow Answer

Typically, alpha adrenergic receptors have

Correct AnswerverifiedShow Answer

Dual innervation means that an individual effector

Correct AnswerverifiedShow Answer

Gray rami from the sympathetic trunk connect to

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

Which autonomic plexus innervates viscera within the pelvic region?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Activation of parasympathetic fibers in pelvic splanchnic nerves leads to

Correct AnswerverifiedShow Answer

The centers for cardiac, digestive, and vasomotor functions are housed within the

Correct AnswerverifiedShow Answer

The ________ ganglia differ from the sympathetic trunk ganglia segments in that they are single structures, rather than paired.

Correct AnswerverifiedShow Answer

The sympathetic trunk ganglia are primarily composed of

Correct AnswerverifiedShow Answer

The circuitry of the autonomic system allows for control in activation. The characteristic that allows a small number of preganglionic cells to stimulate a large number of postganglionic cells is

Correct AnswerverifiedShow Answer

Except for the ________ region of the spinal cord, one sympathetic trunk ganglion is approximately associated with each spinal nerve.

Correct AnswerverifiedShow Answer

When norepinephrine is released from postganglionic neurons, its targets are

Correct AnswerverifiedShow Answer

Parasympathetic activity is responsible for increased smooth muscle motility and secretory activity in digestive tract organs.

Correct AnswerverifiedShow Answer

The diameter of many blood vessels is controlled exclusively by the ________ nervous system, and decreases in the activity of this system result in ________.

Correct AnswerverifiedShow Answer

The type of adrenergic receptor found on the smooth muscle cells of blood vessels in the skin is

Correct AnswerverifiedShow Answer

With respect to divergence of axons in the sympathetic division of the ANS, one axon innervates fewer than four ganglionic cell bodies.

Correct AnswerverifiedShow Answer

Catecholamines include

Correct AnswerverifiedShow Answer

The ________ division of the ANS is most commonly associated with the preparation of the body for emergencies.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

The diameter of many blood vessels is controlled exclusively by the nervous system, and decreases in the activity of this system result in .

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified