Which of the Following Muscles Will Serve to Depress the Lower

Question

Which of the following muscles will serve to depress the lower lip?
A)Depressor labii inferioris and depressor anguli oris muscles
B)Depressor labii inferioris and orbicularis oris muscles
C)Depressor labii inferioris and mentalis muscles
D)Depressor labii inferioris and risorius muscles

Accepted Answer

The depressor labii inferioris and depressor anguli oris muscles are responsible for depressing the lower lip. The depressor labii inferioris directly lowers the lip, while the depressor anguli oris helps in pulling down the corners of the mouth.