INBDE (Integrated National Board Dental Examination) Practice Exam

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The medial pterygoid inserts on the?

  1. external surface of ramus

  2. internal surface of ramus

  3. anterior surface of coronoid process

  4. posterior surface of mandible

The correct answer is: internal surface of ramus

The medial pterygoid is a muscle located in the mouth that aids in chewing. It inserts on the internal surface of the ramus, which is the vertical portion of the mandible (jawbone) that connects to the rest of the skull. This is important for proper jaw movement during chewing. The other options, such as the external surface of ramus, anterior surface of coronoid process, and posterior surface of mandible, are not correct because they are not the specific location where the medial pterygoid inserts.

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