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The vagus nerve carries parasympathetic impulses to the


A) salivary glands.
B) lacrimal glands.
C) smooth muscle of the eyes.
D) thoracic and abdominal viscera.
E) thyroid gland.

F) C) and D)
G) B) and E)

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Which of the following drugs would be the best choice to use in chronic asthma to dilate the bronchioles?


A) a nicotinic agent
B) a muscarinic agent
C) alpha-adrenergic blocking agents
D) beta-adrenergic stimulating agents
E) ganglionic blocking agents.

F) C) and D)
G) A) and D)

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Beta-blockers (beta-adrenergic blocking agents) are frequently used to


A) cause vasoconstriction.
B) block muscarinic receptors.
C) dilate the pupils of the eye.
D) prevent increases in heart rate.
E) prevent decreases in heart rate.

F) None of the above
G) A) and B)

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


A) sympathetic
B) parasympathetic

C) A) and B)
D) undefined

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


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) A) and B)
G) None of the above

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Which of the following neurons is most likely to be adrenergic?


A) preganglionic sympathetic
B) preganglionic parasympathetic
C) postganglionic sympathetic
D) postganglionic parasympathetic
E) postganglionic somatic motor

F) B) and D)
G) B) and C)

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Match the phrase to either the sympathetic or parasympathetic division of the autonomic nervous system. -effects are more general


A) sympathetic
B) parasympathetic

C) A) and B)
D) undefined

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John sees Martha; the pupils of his eyes dilate.It is "love at first sight." What division(s) of the ANS is(are) involved?


A) sympathetic division
B) parasympathetic division
C) somatic motor division
D) neither sympathetic division nor parasympathetic division
E) both sympathetic division and parasympathetic division

F) All of the above
G) C) and E)

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Adrenergic receptors


A) can be activated by the release of epinephrine.
B) have two structural forms - muscarinic and nicotinic.
C) when activated stimulate skeletal muscles to contract.
D) can be found in both the sympathetic and parasympathetic divisions.
E) are activated by the release of acetylcholine.

F) A) and D)
G) C) and E)

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The two classes of adrenergic receptors are


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

F) None of the above
G) C) and E)

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Match the phrase to either the sympathetic or parasympathetic division of the autonomic nervous system. -craniosacral division


A) sympathetic
B) parasympathetic

C) A) and B)
D) undefined

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The parasympathetic nervous system is characterized by


A) the absence of preganglionic fibers.
B) the absence of postganglionic axons.
C) short postganglionic axons near the organs they innervate.
D) short preganglionic axons near the spinal cord.
E) long postganglionic axons.

F) B) and D)
G) C) and D)

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Sympathetic preganglionic axons


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

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The parasympathetic division of the ANS is also called the _________ division.

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When acetylcholine binds to autonomic muscarinic receptors,


A) heart rate increases.
B) voluntary movements occur.
C) intestinal motility increases.
D) intestinal motility decreases.
E) intestinal motility stops.

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

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Match the phrase to either the sympathetic or parasympathetic division of the autonomic nervous system. -provides more extensive innervation of G.I.Tract


A) sympathetic
B) parasympathetic

C) A) and B)
D) undefined

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Which of the following is NOT a means of parasympathetic innervation of effectors?


A) spinal nerves
B) abdominal nerve plexuses
C) pelvic splanchnic nerves and pelvic nerve plexuses
D) cranial nerves to the head and neck
E) vagus nerve and thoracic nerve plexuses

F) C) and D)
G) None of the above

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Arrange the following in correct sequence: (1) autonomic ganglia and ganglionic synapse (2) synapse with target tissues (3) preganglionic neuron (4) postganglionic neuron


A) 2,3,4,1
B) 1,3,2,4
C) 3,1,4,2
D) 4,1,3,2
E) 4,3,1,2

F) A) and E)
G) D) and E)

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


A) parasympathetic
B) somatic
C) sympathetic
D) thoracolumbar
E) sensory

F) D) and E)
G) A) and B)

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Match the phrase to either the sympathetic or parasympathetic division of the autonomic nervous system. -fight-or-flight response


A) sympathetic
B) parasympathetic

C) A) and B)
D) undefined

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