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    Human Physiology Study Set 1
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    Exam 6: The Peripheral Nervous System: Afferent Division Special Senses
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    The Circular Muscle of the Iris
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The Circular Muscle of the Iris

Question 112

Question 112

Multiple Choice

The circular muscle of the iris


A) contracts in response to bright light to produce pupillary constriction
B) is innervated by the parasympathetic nervous system
C) contracts to loosen the suspensory ligaments and to increase the strength of the lens during accommodation
D) is characterized by a and b
E) is characterized by b and c

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