Question 1

Summarize the role of the parasympathetic nervous system in maintaining homeostasis.

Accepted Answer

The activities of the parasympathetic ne...

Question 2

Receptors that bind acetylcholine are known as:

Accepted Answer

A)   beta.
B)   cholinergic.
C)   adrenergic.
D)   alpha.E) A) and B)
F) A) and C)

Question 3

Most organs are innervated from both the sympathetic and parasympathetic nervous systems, referred to as:

Accepted Answer

A)   parasympathetic tone
B)   sympathetic tone
C)   antagonism
D)   dual innervationE) A) and B)
F) None of the above

Question 4

What best characterizes the function of the parasympathetic nervous system?

Accepted Answer

A)   The parasympathetic nervous system is the "fight or flight" system.
B)   The parasympathetic nervous system prepares the body for emergency situations.
C)   The parasympathetic nervous system maintains homeostasis when the body is at rest.
D)   The parasympathetic nervous system prepares the body for physical activity.E) A) and B)
F) B) and C)

Question 5

What part of the brain largely controls homeostatic functions?

Accepted Answer

A)   hypothalamus
B)   occipital lobe
C)   pineal gland
D)   cerebellumE) All of the above
F) C) and D)

Question 6

Ejaculation is accomplished by the parasympathetic nervous system.

Accepted Answer

A) True 
 B)False

Question 7

What effect does a fi2 agonist have on the diameter of respiratory passages?

Accepted Answer

A)   The diameter of the respiratory passageways will decrease first, and then increase.
B)   The diameter of the respiratory passageways will decrease.
C)   The diameter of the respiratory passageways will increase.
D)   The drug will have no effect on passageway diameter.E) A) and B)
F) A) and C)

Question 8

Explain where the two types of cholinergic receptors are located in the parasympathetic nervous system pathway.

Accepted Answer

The two types of cholinergic receptors i...

Question 9

Which of the following is NOT an effect of the parasympathetic nervous system?

Accepted Answer

A)   increased sweat secretion
B)   decreased heart rate
C)   constriction of the pupil
D)   bronchoconstrictionE) B) and D)
F) A) and C)

Question 10

Although Christopher had spinal cord damage, his autonomic nervous system (ANS) was still able to maintain some control over his viscera in the thoracic and abdominopelvic cavities. Which ANS division could still maintain some control? Explain.

Accepted Answer

The parasympathetic nervous system is th...

Question 11

Discuss the target cells of the somatic and autonomic nervous systems.

Accepted Answer

Somatic motor neurons innervat...

Question 12

Explain why the sympathetic nervous system is often call the "fight or flight" division of the ANS.

Accepted Answer

The sympathetic nervous system is often ...

Question 13

Which nervous system division works antagonistically to the sympathetic nervous system?

Accepted Answer

A)   somatic nervous system
B)   central nervous system
C)   sensory nervous system
D)   parasympathetic nervous systemE) None of the above
F) C) and D)

Question 14

Which nervous system dilates the pupils and allows more light to enter the eyes?

Accepted Answer

A)   sensory nervous system
B)   parasympathetic nervous system
C)   sympathetic nervous system
D)   somatic nervous systemE) B) and C)
F) None of the above

Question 15

Receptors that bind norepinephrine and epinephrine are known as:

Accepted Answer

A)   cholinergic.
B)   nicotinic.
C)   muscarinic.
D)   adrenergic.E) A) and B)
F) None of the above

Question 16

The reticular formation can only function with input from the hypothalamus.

Accepted Answer

A) True 
 B)False

Question 17

Where within the spinal cord do the cell bodies of preganglionic sympathetic neurons originate?

Accepted Answer

A)   lateral horns of the cervical and sacral spinal cord
B)   lateral horns of the thoracic and lumbar spinal cord
C)   posterior horns of the thoracic and lumbar spinal cord
D)   anterior horns of the thoracic and lumbar spinal cordE) C) and D)
F) B) and D)

Question 18

Decreased parasympathetic stimulation could cause:

Accepted Answer

A)   a dry mouth.
B)   frequent urination.
C)   a slow heart rate.
D)   bronchodilation.E) B) and C)
F) All of the above

Question 19

What neurotransmitter is released by both preganglionic and postganglionic parasympathetic neurons at their synapses?

Accepted Answer

A)   epinephrine
B)   norepinephrine
C)   acetylcholine
D)   both epinephrine and norepinephrineE) A) and C)
F) A) and B)

Question 20

Alpha and beta receptors are classified as cholinergic receptors.

Accepted Answer

A) True 
 B)False

Exam 14: The Autonomic Nervous System Homeostasis

Ejaculation is accomplished by the parasympathetic nervous system.

Correct AnswerverifiedShow Answer

Although Christopher had spinal cord damage, his autonomic nervous system (ANS) was still able to maintain some control over his viscera in the thoracic and abdominopelvic cavities. Which ANS division could still maintain some control? Explain.

Correct AnswerverifiedThe parasympathetic nervous system is th...View AnswerShow Answer

What best characterizes the function of the parasympathetic nervous system?

Correct AnswerverifiedShow Answer

Decreased parasympathetic stimulation could cause:

Correct AnswerverifiedShow Answer

Explain why the sympathetic nervous system is often call the "fight or flight" division of the ANS.

Correct AnswerverifiedThe sympathetic nervous system is often ...View AnswerShow Answer

Where within the spinal cord do the cell bodies of preganglionic sympathetic neurons originate?

Correct AnswerverifiedShow Answer

Receptors that bind acetylcholine are known as:

Correct AnswerverifiedShow Answer

Which of the following is NOT an effect of the parasympathetic nervous system?

Correct AnswerverifiedShow Answer

Summarize the role of the parasympathetic nervous system in maintaining homeostasis.

Correct AnswerverifiedThe activities of the parasympathetic ne...View AnswerShow Answer

What part of the brain largely controls homeostatic functions?

Correct AnswerverifiedShow Answer

Which nervous system division works antagonistically to the sympathetic nervous system?

Correct AnswerverifiedShow Answer

The reticular formation can only function with input from the hypothalamus.

Correct AnswerverifiedShow Answer

Which nervous system dilates the pupils and allows more light to enter the eyes?

Correct AnswerverifiedShow Answer

Most organs are innervated from both the sympathetic and parasympathetic nervous systems, referred to as:

Correct AnswerverifiedShow Answer

Explain where the two types of cholinergic receptors are located in the parasympathetic nervous system pathway.

Correct AnswerverifiedThe two types of cholinergic receptors i...View AnswerShow Answer

Alpha and beta receptors are classified as cholinergic receptors.

Correct AnswerverifiedShow Answer

What neurotransmitter is released by both preganglionic and postganglionic parasympathetic neurons at their synapses?

Correct AnswerverifiedShow Answer

Discuss the target cells of the somatic and autonomic nervous systems.

Correct AnswerverifiedSomatic motor neurons innervat...View AnswerShow Answer

What effect does a fi2 agonist have on the diameter of respiratory passages?

Correct AnswerverifiedShow Answer

Receptors that bind norepinephrine and epinephrine are known as:

Correct AnswerverifiedShow Answer

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The parasympathetic nervous system is th...
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The sympathetic nervous system is often ...
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The activities of the parasympathetic ne...
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The two types of cholinergic receptors i...
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Somatic motor neurons innervat...
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What effect does a fi₂agonist have on the diameter of respiratory passages?

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