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In Bright Light, the _____ Muscle of the Iris Contracts

Question 70

Multiple Choice

In bright light, the _____ muscle of the iris contracts, causing a/an _____ (increase/decrease) in the size of the pupil (constriction) .


A) sphincter pupillae; increase
B) dilator pupillae, decrease
C) ciliary, decrease
D) sphincter pupillae; decrease

Correct Answer:

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