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Chapter Practice Test



This activity contains 15 questions.

Question 1
1 What is the function of the somatic nervous system?
 
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Question 2
2 Which of the following is (1) released by all somatic motor neurons at their synapses, and (2) always excites muscle contraction?
 
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Question 3
3 For which of the following activities is the sympathetic nervous system generally responsible?
 
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Question 4
4 The parasympathetic nervous system is often referred to as the "resting and digesting" system.
   
 
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Question 5
5 The glossopharyngeal nerves are responsible for which of the following functions?
 
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Question 6
6 As the vagus nerves pass into the thorax, they send branches to the cardiac plexuses to increase heart rate.
   
 
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Question 7
7 The sympathetic division is anatomically more complex than the parasympathetic division.
   
 
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Question 8
8 Which of the following is NOT one of the three things that can happen to a preganglionic axon when it reaches a trunk ganglion?
 
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Question 9
9 __________ and __________ are the major neurotransmitters released by autonomic nervous system neurons.
 
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Question 10
10 Norepinephrine and epinephrine can have either excitatory or inhibitory effects on target organs.
   
 
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Question 11
11 Why do doctors sometimes prescribe drugs called "sympatholytic agents" to treat hypertension?
 
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Question 12
12 Although sympathetic nerve impulses act only briefly, they provoke hormonal effects that last much longer.
   
 
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Question 13
13 The __________ may subconsciously modify the workings of the autonomic nervous system.
 
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Question 14
14 Autonomic neuropathy is a common complication of diabetes mellitus.
   
 
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Question 15
15 Blood "shunting" helps maintain circulation to vital organs during circulatory shock.
   
 
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