INBDE (Integrated National Board Dental Examination) Practice Exam

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Where does the superior head of the lateral pterygoid insert?

lateral surface of ramus
medial surface of ramus
articular disc
condylar process

The correct answer is: articular disc

The superior head of the lateral pterygoid inserts onto the articular disc. This muscle is responsible for assisting with jaw movements and is located on the lateral side of the skull, near the temporomandibular joint. Options A and B refer to the lateral and medial surfaces of the mandibular ramus, respectively, which are incorrect as those are the insertion sites for other muscles. Option D, the condylar process, is also incorrect as it is the point where the mandible connects to the skull and does not involve the lateral pterygoid muscle. Therefore, option C is the only correct answer.