MRCP UK EXAMINATIONS

NEUROLOGY

MYOTONIC DYSTROPHY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What muscle flexes the jaw?
A
Brachiocephalicus
B
Deltoid
C
Masseter
D
Trapezius
Explanation: 

Detailed explanation-1: -The temporalis muscle originates from the floor of the temporal fossa and inserts onto the coronoid process of the mandible. Contraction causes elevation of the mandible and retraction of the mandible.

Detailed explanation-2: -The masseter muscle is a facial muscle that is located in the cheek area. It’s a rectangular-shaped muscle that is divided into the deep portion and the superficial portion. The deep portion is the more muscular portion that connects to the mandible.

There is 1 question to complete.