Question 1

Consider the two statements and use the following key to choose your answer.
-(1)  rate of muscle contraction when beta adrenergic receptors of the heart are stimulated
(2)  rate of muscle contraction when beta adrenergic receptors of intestinal muscle are stimulated

Accepted Answer

A)  Choose this if the first item is greater than the second item.
B)  Choose this if the first item is less than the second item.
C)  Choose this if both items are equal or nearly equal.D) A) and C)
E) A) and B)

Question 2

A neuron that secretes norepinephrine would be a(n) _________ neuron.

Accepted Answer

The answer of A neuron that secretes norepinephrine would be...

Question 3

The _______________ division of the ANS functions mainly under ordinary, restful conditions.

Accepted Answer

A)   parasympathetic
B)   somatic
C)   sympathetic
D)   thoracolumbar
E)   sensoryF) A) and D)
G) A) and C) A

Question 4

When a person consumes a substantial amount of nicotine, the response

Accepted Answer

A)   increases parasympathetic responses.
B)   increases sympathetic responses.
C)   decreases parasympathetic responses.
D)   decreases sympathetic responses.
E)   both increases parasympathetic responses and increases sympathetic responses.F) B) and C)
G) A) and C)

Question 5

Compared to a somatic reflex, an autonomic reflex utilizes

Accepted Answer

A)   one motor neuron plus cardiac and smooth muscle and glands as effectors.
B)   one motor neuron plus skeletal muscles as effectors.
C)   two motor neurons plus cardiac and smooth muscle and glands as effectors.
D)   two motor neurons plus skeletal muscles as effectors.
E)   three motor neurons plus skeletal muscles as effectors.F) A) and B)
G) A) and C)

Question 6

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.F) A) and C)
G) A) and E)

Question 7

Sympathomimetic agents activate

Accepted Answer

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

Question 8

The figure illustrates the autonomic reflexes and the heart. What does "E" represent?

Accepted Answer

A)   sympathetic nerve
B)   increase in blood pressure detected by carotid baroreceptors
C)   glossopharyngeal nerve
D)   decrease in blood pressure detected by carotid baroreceptors
E)   vagus nerveF) C) and E)
G) A) and B)

Question 9

Effector cells that respond to acetylcholine released from postganglionic neurons have

Accepted Answer

A)   somatotrophic receptors.
B)   muscarinic receptors.
C)   adrenergic receptors.
D)   nicotinic receptors.
E)   macrotinic receptors.F) A) and E)
G) C) and D)

Question 10

Sympathetic preganglionic axons

Accepted Answer

A)   can synapse in terminal ganglia.
B)   must synapse in parasympathetic ganglia.
C)   can synapse with cells in the adrenal cortex.
D)   can synapse in the dorsal root ganglion.
E)   can synapse in either chain or collateral ganglia.F) B) and C)
G) C) and E)

Question 11

Match the characteristic with the correct nervous system.
-acetylcholine is a neurotransmitter substance

Accepted Answer

A)  somatic motor nervous system
B)  autonomic nervous system
C)  both somatic and autonomic nervous systems
D)  neither somatic nor autonomic nervous systemE) B) and C)
F) A) and B)

Question 12

Which of the following cranial nerves does NOT carry parasympathetic fibers?

Accepted Answer

A)   glossopharyngeal
B)   vagus
C)   facial
D)   hypoglossal
E)   oculomotorF) C) and D)
G) A) and B) D

Question 13

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.F) A) and B)
G) B) and E)

Question 14

The figure illustrates the autonomic reflexes and the heart. What does "B" represent?

Accepted Answer

A)   sympathetic nerve
B)   increase in blood pressure detected by carotid baroreceptors
C)   glossopharyngeal nerve
D)   decrease in blood pressure detected by carotid baroreceptors
E)   vagus nerveF) B) and C)
G) D) and E) E

Question 15

Which of the following occurs when the parasympathetic system is stimulated?

Accepted Answer

A)   increased blood pressure
B)   increased motility of the digestive tract
C)   increased metabolism
D)   increased heart rate
E)   decreased motility of the digestive tractF) All of the above
G) A) and B)

Question 16

What type of nerve would cause the smooth muscle of a blood vessel wall to constrict?

Accepted Answer

A)   sensory
B)   afferent
C)   autonomic
D)   somatic motor
E)   cranialF) C) and D)
G) None of the above

Question 17

Which of the following statements is false?

Accepted Answer

A)   Both divisions of the ANS can produce stimulatory effects.
B)   Both divisions cooperate to achieve normal reproductive function.
C)   Structures receiving dual innervation by the ANS are regulated equally by both divisions.
D)   The sympathetic division has more influence under conditions of physical activity than does the parasympathetic division.
E)   Dual innervation of organs by both divisions of the ANS is not universal.F) B) and E)
G) A) and C)

Question 18

Match the phrase to either the sympathetic or parasympathetic division of the autonomic nervous system.
-release of epinephrine and norepinephrine

Accepted Answer

A)  sympathetic
B)  parasympatheticC) A) and B)
D) undefined

Question 19

What part of the brain is in overall control of the ANS?

Accepted Answer

A)   medulla oblongata
B)   hypothalamus
C)   thalamus
D)   cerebrumE) A) and D)
F) None of the above

Question 20

The two classes of adrenergic receptors are

Accepted Answer

A)   alpha and beta.
B)   splanchnic and terminal.
C)   muscarinic and nicotinic.
D)   nicotinic and cholinergic.
E)   muscarinic and terminal.F) A) and B)
G) B) and D)

Exam 16: Autonomic Nervous System

Consider the two statements and use the following key to choose your answer. -(1) rate of muscle contraction when beta adrenergic receptors of the heart are stimulated (2) rate of muscle contraction when beta adrenergic receptors of intestinal muscle are stimulated

Correct AnswerverifiedShow Answer

A neuron that secretes norepinephrine would be a(n) _________ neuron.

Correct AnswerverifiedShow Answer

The _______________ division of the ANS functions mainly under ordinary, restful conditions.

Correct AnswerverifiedA

When a person consumes a substantial amount of nicotine, the response

Correct AnswerverifiedShow Answer

Compared to a somatic reflex, an autonomic reflex utilizes

Correct AnswerverifiedShow Answer

The vagus nerve carries parasympathetic impulses to the

Correct AnswerverifiedShow Answer

Sympathomimetic agents activate

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The figure illustrates the autonomic reflexes and the heart. What does "E" represent?

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Effector cells that respond to acetylcholine released from postganglionic neurons have

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Sympathetic preganglionic axons

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Match the characteristic with the correct nervous system. -acetylcholine is a neurotransmitter substance

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Which of the following cranial nerves does NOT carry parasympathetic fibers?

Correct AnswerverifiedD

When acetylcholine binds to autonomic muscarinic receptors,

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The figure illustrates the autonomic reflexes and the heart. What does "B" represent?

Correct AnswerverifiedE

Which of the following occurs when the parasympathetic system is stimulated?

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What type of nerve would cause the smooth muscle of a blood vessel wall to constrict?

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Which of the following statements is false?

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Match the phrase to either the sympathetic or parasympathetic division of the autonomic nervous system. -release of epinephrine and norepinephrine

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What part of the brain is in overall control of the ANS?

Correct AnswerverifiedShow Answer

The two classes of adrenergic receptors are

Correct AnswerverifiedShow Answer

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D

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