Which of the Following Best Describes the Orbicularis Oris

question 768

Multiple Choice

Which of the following best describes the orbicularis oris?

• A) It draws the eyebrows together.
• B) It pulls the lower lip down and back.
• C) It closes, purses, and protrudes the lips.
• D) It allows blinking and squinting of the eyes.

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Definitions:

Leptin Levels

Concentrations of leptin, a hormone involved in regulating energy balance and appetite.

Basal Metabolic Rate

The number of calories required to keep your body functioning at rest, also known as BMR.

Set Point

A theory suggesting that an individual's body weight, or other physiological markers, are regulated around a specific value or range by the body's homeostatic mechanisms.

Body Mass Index

A measure of body fat based on height and weight that applies to adult men and women.