Which of the following muscles of facial expression is the only one that closes the eye when blinking?
A)Nasalis
B)Orbicularis oris
C)Risorius
D)Mentalis
E)Orbicularis oculi

Question

Quizplus · Accepted Answer

The muscle that closes the eye when blinking is the orbicularis oculi. The other muscles listed are involved in other facial expressions such as wrinkling the nose (nasalis), puckering the lips (orbicularis oris), smiling (risorius), or protruding the chin (mentalis).

Which of the Following Muscles of Facial Expression Is the Only