The Primary Muscle of the Lips Is the ______________ Muscle

question 29

Multiple Choice

The primary muscle of the lips is the ______________ muscle, which also is the sphincter of the mouth.

• A) orbicularis oris
• B) buccinator
• C) depressor labii inferioris
• D) mentalis
• E) procerus

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Definitions:

Legally Intoxicated

A legal definition regarding the level of alcohol or drugs in one's system that impairs abilities to drive or operate machinery safely as defined by law.

Alcohol

Any beverage containing ethyl alcohol, including beer, wine, and liquor.

Judgment

The cognitive process of forming an opinion or evaluation by discerning and comparing.

Inhibitions

Psychological restraints or barriers that hinder a person from expressing thoughts, feelings, or behaviors in a freely expressive manner.