Which one of the following muscles of facial expression is a muscle of both the nose and the mouth?
A)levator labii superioris
B)procerus
C)corrugator supercilii
D)levator labii superioris alaeque nasi

Question

Quizplus · Accepted Answer

The levator labii superioris alaeque nasi is a muscle of both the nose and the mouth, as it elevates the upper lip and also flares the nostrils. The other muscles listed are involved either in raising the eyebrows (corrugator supercilii), wrinkling the forehead (procerus), or lifting the upper lip (levator labii superioris), but not in movements of the nose.

Which One of the Following Muscles of Facial Expression Is