The Circular Muscle of the Iris

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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