Which of the Following Best Describes the Orbicularis Oris

question 2

Multiple Choice

Which of the following best describes the orbicularis oris?.

• A)It closes,purses,and protrudes the lips.
• B)It pulls the lower lip down and back.
• C)It allows blinking,squinting,and various other protective mechanisms for the eye.
• D)It draws the eyebrows together.

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Definitions:

Expected Number

A statistical measure describing the average or mean value anticipated in a random variable or in the outcomes of a random experiment.

Binomially Distributed

A distribution characteristic of a random variable that represents the number of successes in a fixed number of independent Bernoulli trials, each with the same probability of success.

Standard Deviation

A formula to assess how widespread or dispersed a series of values is.

Expected Number

A statistical term referring to the mean value predicted for a particular variable or event in a probability distribution.