Question 1

Atropine ____ the effect of acetylcholine at ____ receptors and ____ ____ receptors.

Accepted Answer

A)   blocks; muscarinic; does not affect; nicotinic
B)   enhances; muscarinic; does not affect; nicotinic
C)   blocks; nicotinic; does not affect; muscarinic
D)   enhances; nicotinic; does not affect; muscarinic
E)   blocks; muscarinic; enhances; nicotinicF) B) and C)
G) A) and B)

Question 2

Botulism is caused by a toxin from bacteria in the species

Accepted Answer

A)   Clostridium
B)   Escherichia
C)   Salmonella
D)   Staphylococcus
E)   StreptococcusF) A) and D)
G) None of the above

Question 3

Postganglionic autonomic fibers

Accepted Answer

A)   end in a single synaptic knob that releases the neurotransmitter
B)   have numerous varicosities that simultaneously release neurotransmitter over a large area of the innervated organ rather than on single cells
C)   innervate skeletal, smooth, and cardiac muscle
D)   end in a single synaptic knob that releases the neurotransmitter and innervate skeletal, smooth, and cardiac muscle
E)   have numerous varicosities that simultaneously release neurotransmitter over a large area of the innervated organ rather than on single cells and innervate skeletal, smooth, and cardiac muscleF) B) and C)
G) A) and B) B

Question 4

Which organ is not innervated by the parasympathetic division?

Accepted Answer

A)   blood vessels
B)   intestines
C)   eye
D)   liver
E)   erectile tissuesF) B) and E)
G) A) and E)

Question 5

The sympathetic nervous system is always excitatory to the organs it innervates.

Accepted Answer

A) True 
 B)False  False

Question 6

Complete each of the following statments.
The two divisions of the autonomic nervous system are the ____________________ nervous system, which dominates in fight-or-flight situations, and the ____________________ nervous system, which dominates in quiet, relaxed situations.

Accepted Answer

sympatheti...

Question 7

Complete each of the following statments.
Binding of ____________________ to nicotinic receptors is always excitatory.

Accepted Answer

The answer of Complete each of the following statments.
Binding of...

Question 8

Only terminals of autonomic nerve fibers and motor neurons end in a single, enlarged knoblike structure that releases neurotransmitter.

Accepted Answer

A) True 
 B)False

Question 9

Sympathetic preganglionic fibers originate in the thoracic and lumbar segments of the spinal cord.

Accepted Answer

A) True 
 B)False

Question 10

Binding of ACh with receptor sites on the motor end plate opens chemical messenger-gated cation channels in the motor end plate, bringing about depolarization of the motor end plate.

Accepted Answer

A) True 
 B)False

Question 11

Complete each of the following statments.
Alpha and beta are two kinds of ____________________ receptors.

Accepted Answer

The answer of Complete each of the following statments.
Alpha and...

Question 12

Nicotinic and muscarinic receptors are the two kinds of adrenergic receptors.

Accepted Answer

A) True 
 B)False

Question 13

An EPP is similar to an EPSP, except that the magnitude of an EPSP is much larger.

Accepted Answer

A) True 
 B)False

Question 14

The autonomic and somatic nervous systems are part of the efferent nervous system.

Accepted Answer

A) True 
 B)False

Question 15

Sympathetic stimulation of the urinary bladder relaxes the activity of this organ.

Accepted Answer

A) True 
 B)False

Question 16

The neuromuscular junction

Accepted Answer

A)   is the junction between a motor neuron and a skeletal muscle fiber
B)   transmits an action potential between the nerve cell and muscle cell on a one-to-one basis
C)   may produce either an EPSP or an IPSP on the motor end plate
D)   is the junction between a motor neuron and a skeletal muscle fiber, and transmits an action potential between the nerve cell and muscle cell on a one-to-one basis
E)   all of theseF) A) and B)
G) A) and E)

Question 17

Curare

Accepted Answer

A)   strongly binds to acetylcholine receptor sites
B)   inhibits acetylcholinesterase
C)   is found in pesticides and military nerve gases
D)   strongly binds to acetylcholine receptor sites and is found in pesticides and military nerve gases
E)   all of theseF) A) and C)
G) B) and E) A

Question 18

Which of the following does not characterize the sympathetic nervous system?

Accepted Answer

A)   It promotes responses that prepare the body for strenuous physical activity.
B)   It has some afferent fibers.
C)   Most of its postganglionic neurons are adrenergic.
D)   Its effects may be excitatory or inhibitory.
E)   It has some afferent fibers and most of its postganglionic neurons are adrenergic.F) C) and D)
G) A) and B)

Question 19

The autonomic nervous system is

Accepted Answer

A)   part of the somatic nervous system
B)   the involuntary branch of the peripheral nervous system's efferent division
C)   part of the central nervous system
D)   the involuntary branch of the peripheral nervous system's efferent division and part of the somatic nervous system
E)   all of theseF) A) and B)
G) C) and D)

Question 20

Which type of receptor binds norepinephrine on cardiac muscle, thus increasing cardiac activity?

Accepted Answer

A)   cholinergic
B)   nicotinic
C)   alpha
D)   beta-1
E)   beta-2F) B) and D)
G) A) and E)

Exam 7: The Peripheral Nervous System: Efferent Division

Atropine ____ the effect of acetylcholine at ____ receptors and ____ ____ receptors.

Correct AnswerverifiedShow Answer

Botulism is caused by a toxin from bacteria in the species

Correct AnswerverifiedShow Answer

Postganglionic autonomic fibers

Correct AnswerverifiedB

Which organ is not innervated by the parasympathetic division?

Correct AnswerverifiedShow Answer

The sympathetic nervous system is always excitatory to the organs it innervates.

Correct AnswerverifiedFalse

Complete each of the following statments. The two divisions of the autonomic nervous system are the ____________________ nervous system, which dominates in fight-or-flight situations, and the ____________________ nervous system, which dominates in quiet, relaxed situations.

Correct Answerverifiedsympatheti...View AnswerShow Answer

Complete each of the following statments. Binding of ____________________ to nicotinic receptors is always excitatory.

Correct AnswerverifiedShow Answer

Only terminals of autonomic nerve fibers and motor neurons end in a single, enlarged knoblike structure that releases neurotransmitter.

Correct AnswerverifiedShow Answer

Sympathetic preganglionic fibers originate in the thoracic and lumbar segments of the spinal cord.

Correct AnswerverifiedShow Answer

Binding of ACh with receptor sites on the motor end plate opens chemical messenger-gated cation channels in the motor end plate, bringing about depolarization of the motor end plate.

Correct AnswerverifiedShow Answer

Complete each of the following statments. Alpha and beta are two kinds of ____________________ receptors.

Correct AnswerverifiedShow Answer

Nicotinic and muscarinic receptors are the two kinds of adrenergic receptors.

Correct AnswerverifiedShow Answer

An EPP is similar to an EPSP, except that the magnitude of an EPSP is much larger.

Correct AnswerverifiedShow Answer

The autonomic and somatic nervous systems are part of the efferent nervous system.

Correct AnswerverifiedShow Answer

Sympathetic stimulation of the urinary bladder relaxes the activity of this organ.

Correct AnswerverifiedShow Answer

The neuromuscular junction

Correct AnswerverifiedShow Answer

Curare

Correct AnswerverifiedA

Which of the following does not characterize the sympathetic nervous system?

Correct AnswerverifiedShow Answer

The autonomic nervous system is

Correct AnswerverifiedShow Answer

Which type of receptor binds norepinephrine on cardiac muscle, thus increasing cardiac activity?

Correct AnswerverifiedShow Answer

Atropine the effect of acetylcholine at receptors and receptors.

Correct Answer
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B

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False

Complete each of the following statments. The two divisions of the autonomic nervous system are the nervous system, which dominates in fight-or-flight situations, and the nervous system, which dominates in quiet, relaxed situations.

Correct Answer
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sympatheti...
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A

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