The Temporoparietalis Muscle Acts To

Question

The temporoparietalis muscle acts to
A) move the external ear.
B) purse the lips.
C) depress the lip.
D) draw the corner of the mouth back and up.
E) close the eye.

Accepted Answer

The temporoparietalis muscle is located above and behind the ear, and its primary action is to move the external ear. This muscle is responsible for helping to direct sounds towards the ear canal and improve hearing sensitivity. It is not involved in actions such as pursing the lips, depressing the lip, drawing the corner of the mouth back and up, or closing the eye.