Question 1

Which of the following would not be a major effector of the autonomic nervous system?

Accepted Answer

A)  Skeletal muscles 
B)  Blood vessels 
C)  Sweat glands 
D)  Iris of the eye 
A)  Skeletal muscles 
B)  Blood vessels 
C)  Sweat glands 
D)  Iris of the eye

Question 2

Which of the following statements is not true?

Accepted Answer

A)  The parasympathetic division is the dominant controller of most autonomic effectors most of the time. 
B)  Under quiet, nonstressful conditions, more impulses reach autonomic effectors by cholinergic parasympathetic fibers than by adrenergic sympathetic fibers. 
C)  The major function of the parasympathetic division is to serve as an "emergency" system. 
D)  Parasympathetic stimulation causes an increase in the secretion of pancreatic juice and insulin. 
A)  The parasympathetic division is the dominant controller of most autonomic effectors most of the time. 
B)  Under quiet, nonstressful conditions, more impulses reach autonomic effectors by cholinergic parasympathetic fibers than by adrenergic sympathetic fibers. 
C)  The major function of the parasympathetic division is to serve as an "emergency" system. 
D)  Parasympathetic stimulation causes an increase in the secretion of pancreatic juice and insulin.

Question 3

The parasympathetic division is the dominant controller of the body at rest.

Accepted Answer

A) True 
 B)False

Question 4

Which generalization concerning the autonomic nervous system is not true?

Accepted Answer

A)  All of its axons are afferent fibers. 
B)  It operates without conscious control. 
C)  It regulates visceral activities. 
D)  All of its neurons are motor. 
A)  All of its axons are afferent fibers. 
B)  It operates without conscious control. 
C)  It regulates visceral activities. 
D)  All of its neurons are motor.

Question 5

The neurotransmitter released by both sympathetic and parasympathetic preganglionic neurons is acetylcholine.

Accepted Answer

A) True 
 B)False

Question 6

Nicotinic receptors are stimulated by acetylcholine.

Accepted Answer

A) True 
 B)False

Question 7

Match each term with its description or definition.
-Informal term used to describe the response of the body to sympathetic nervous system stimulation

Accepted Answer

A) Sympathetic nervous system 
B) Parasympathetic nervous system 
C) Alpha receptor 
D) Nicotinic receptor 
E) Sympathetic trunk
F)Splanchnic nerve
G)"Fight or flight"
H)"Rest and repair"
I)Acetylcholine
J)Norepinephrine 
A) Sympathetic nervous system 
B) Parasympathetic nervous system 
C) Alpha receptor 
D) Nicotinic receptor 
E) Sympathetic trunk
F)Splanchnic nerve
G)"Fight or flight"
H)"Rest and repair"
I)Acetylcholine
J)Norepinephrine

Question 8

Hormones released from the adrenal medulla produce effects similar to those of the sympathetic division of the autonomic nervous system.

Accepted Answer

A) True 
 B)False

Question 9

Norepinephrine is liberated at:

Accepted Answer

A)  the dendrite ending. 
B)  parasympathetic preganglionic nerve endings. 
C)  most sympathetic postganglionic nerve endings. 
D)  sympathetic preganglionic nerve endings. 
A)  the dendrite ending. 
B)  parasympathetic preganglionic nerve endings. 
C)  most sympathetic postganglionic nerve endings. 
D)  sympathetic preganglionic nerve endings.

Question 10

A sympathetic preganglionic neuron usually synapses with only one postganglionic neuron.

Accepted Answer

A) True 
 B)False

Question 11

Sympathetic preganglionic neurons begin within the brain.

Accepted Answer

A) True 
 B)False

Question 12

Explain why the cells of the adrenal medulla can be considered sympathetic postganglionic neurons with no specific effector organ.

Accepted Answer

The cells of the adrenal medulla can be

Question 13

Visceral effectors are innervated by sympathetic fibers.

Accepted Answer

A) True 
 B)False

Question 14

Acetylcholine can stimulate _____ receptors.

Accepted Answer

A)  alpha 
B)  beta 
C)  nicotinic 
D)  both alpha and beta 
A)  alpha 
B)  beta 
C)  nicotinic 
D)  both alpha and beta

Question 15

Which is not true about parasympathetic postganglionic neurons?

Accepted Answer

A)  They are usually shorter than the preganglionic neurons. 
B)  They produce acetylcholine as a neurotransmitter. 
C)  They produce norepinephrine as a neurotransmitter. 
D)  They have acetylcholine receptors on their dendrites. 
A)  They are usually shorter than the preganglionic neurons. 
B)  They produce acetylcholine as a neurotransmitter. 
C)  They produce norepinephrine as a neurotransmitter. 
D)  They have acetylcholine receptors on their dendrites.

Question 16

Alpha receptors are stimulated by acetylcholine, whereas beta receptors are stimulated by norepinephrine.

Accepted Answer

A) True 
 B)False

Question 17

Autonomic effectors require two efferent neurons.

Accepted Answer

A) True 
 B)False

Question 18

Parasympathetic stimulation has no effect on any of the following areas except:

Accepted Answer

A)  sweat glands. 
B)  skin blood vessels. 
C)  the liver. 
D)  the urinary bladder. 
A)  sweat glands. 
B)  skin blood vessels. 
C)  the liver. 
D)  the urinary bladder.

Question 19

All cell bodies of the autonomic nervous system are located within the CNS.

Accepted Answer

A) True 
 B)False

Question 20

If you were to damage some of the preganglionic fibers that enter the celiac ganglion, what effect would this have on sympathetic stimulation?

Accepted Answer

A)  Hormones secreted by the adrenal medulla may reach the various sympathetic effectors, where they would enhance and prolong the effects of the sympathetic stimulation. 
B)  Hormones secreted by the pituitary gland may reach various sympathetic effectors, where they would enhance and prolong the effects of the sympathetic stimulation. 
C)  Hormones secreted by the adrenal medulla may not reach the various sympathetic effectors, thus delaying the effects of sympathetic stimulation. 
D)  Hormones secreted by the pituitary gland may not reach the various sympathetic effectors, thus delaying the effects of sympathetic stimulation. 
A)  Hormones secreted by the adrenal medulla may reach the various sympathetic effectors, where they would enhance and prolong the effects of the sympathetic stimulation. 
B)  Hormones secreted by the pituitary gland may reach various sympathetic effectors, where they would enhance and prolong the effects of the sympathetic stimulation. 
C)  Hormones secreted by the adrenal medulla may not reach the various sympathetic effectors, thus delaying the effects of sympathetic stimulation. 
D)  Hormones secreted by the pituitary gland may not reach the various sympathetic effectors, thus delaying the effects of sympathetic stimulation.

Exam 22: Autonomic Nervous System

Which of the following would not be a major effector of the autonomic nervous system?

Which of the following statements is not true?

The parasympathetic division is the dominant controller of the body at rest.

Which generalization concerning the autonomic nervous system is not true?

The neurotransmitter released by both sympathetic and parasympathetic preganglionic neurons is acetylcholine.

Nicotinic receptors are stimulated by acetylcholine.

Match each term with its description or definition. -Informal term used to describe the response of the body to sympathetic nervous system stimulation

Hormones released from the adrenal medulla produce effects similar to those of the sympathetic division of the autonomic nervous system.

Norepinephrine is liberated at:

A sympathetic preganglionic neuron usually synapses with only one postganglionic neuron.

Sympathetic preganglionic neurons begin within the brain.

Explain why the cells of the adrenal medulla can be considered sympathetic postganglionic neurons with no specific effector organ.

Visceral effectors are innervated by sympathetic fibers.

Acetylcholine can stimulate _____ receptors.

Which is not true about parasympathetic postganglionic neurons?

Alpha receptors are stimulated by acetylcholine, whereas beta receptors are stimulated by norepinephrine.

Autonomic effectors require two efferent neurons.

Parasympathetic stimulation has no effect on any of the following areas except:

All cell bodies of the autonomic nervous system are located within the CNS.

If you were to damage some of the preganglionic fibers that enter the celiac ganglion, what effect would this have on sympathetic stimulation?

Organization of the Body

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Introduction to Tissues

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