QuestionSBA
QuestionChoice
The lateral pterygoid depresses and protrudes the mandible- it moves the articular disc of the temporomandibular joint forwards.
10004570
e
The lateral pterygoid depresses and retracts the mandible
QuestionChoice
The medial pterygoid originates on the medial surface of the lateral pterygoid plate of the sphenoid and inserts onto the medial mandibular angle via 2 heads. It acts to elevate and protrude the mandible.
10004566
a
The medial pterygoid elevates and protrudes the mandible
QuestionChoice
The buccinator is a muscle of facial expression, not mastication. It is innervated by the facial nerve.
10004568
c
The buccinator is innervated by the mandibular division of the trigeminal nerve
QuestionChoice
The masseter inserts onto the angle of the mandible.
10004569
d
The masseter inserts onto the superior edge of the ramus of the mandible
QuestionChoice
All masticatory muscles are innervated by the mandibular branch of the trigeminal nerve.
10004567
b
The temporalis muscle is innervated by the maxillary division of the trigeminal nerve
Concept
Chapter
2693
4303
Facial nerve palsy
Topic
141
Neurology
13460
Which of the following statements, regarding muscles in the face, is correct?
a