The nurse understands that dilation of the pupil to permit more light to enter the eye is stimulated by the:
a. sympathetic nervous system. c. central nervous system.
b. parasympathetic nervous system. d. cholinergic nervous system.
ANS: A
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A Correct: This is a response to sympathetic stimulation.
B Incorrect: This system causes pupil constriction.
C Incorrect: The CNS is not part of the autonomic nervous system.
D Incorrect: This is the same as the parasympathetic nervous system.
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