A Solution with [ ] of 5 ×

question 3

Multiple Choice

A solution with [ ] of 5 × has a pH of ________.

• A)2.3
• B)-2.3
• C)11.7
• D)7.0
• E)5.0

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Definitions:

Depressor Anguli Oris

The depressor anguli oris is a facial muscle that contributes to the downward movement of the corners of the mouth, expressing sadness or frowning.

Orbicularis Oris

A circular muscle around the mouth that controls lip movements, such as puckering and closing.

Levator Labii Superioris

The Levator Labii Superioris is a facial muscle that elevates the upper lip, aiding in expressions of disgust or snarling.

Platysma

A broad, thin muscle located in the chest and neck that is involved in facial expression and movement of the jaw.