In Darkness or Conditions of Dim Light,________ Muscles of the Iris

question 17

Multiple Choice

In darkness or conditions of dim light,________ muscles of the iris are stimulated to contract,which ________ the pupil.

• A) radial,dilates
• B) circular,dilates
• C) radial,constricts
• D) circular,constricts

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Definitions:

Positive Exponents

Exponents that are greater than zero, representing multiplication of the base number by itself a specified number of times.

Expression

A combination of numbers, variables, and arithmetic operations.

Simplify

To simplify an expression means to make it as straightforward as possible by combining like terms and performing arithmetic operations.

Expression

An expression is a combination of symbols that represent a value or relationship.