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NEED HELP ASAP! A bright flash of light would cause which muscle of the iris to contract? a) pupillary constrictor b) pupillary dilator
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NEED HELP ASAP!

A bright flash of light would cause which muscle of the iris to contract?
a) pupillary constrictor
b) pupillary dilator

User Brian D Foy
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1 Answer

5 votes

Answer:

a) pupillary constrictor

Step-by-step explanation:

pupillary constrictor - contraction of the sphincter muscle of the iris in response to a bright light causing the pupil to become smaller light...(contract).

User Stephen Morrell
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