INBDE (Integrated National Board Dental Examination) Practice Exam

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Ace your INBDE with our comprehensive practice exam. Featuring detailed explanations, interactive flashcards, and a wide array of multiple-choice questions designed to mirror the real test. Get ready to surpass your expectations!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

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Moving the jaw to the right uses which muscle?

Right masseter
Right lateral pterygoid
Left masseter
Left lateral pterygoid

The correct answer is: Left lateral pterygoid

Moving the jaw to the right involves mainly the right lateral pterygoid muscle. The lateral pterygoid muscles are responsible for moving the mandible in various directions, such as opening the mouth and moving the jaw from side to side. When moving the jaw to the right, the left lateral pterygoid muscle contracts to pull the jaw to the opposite side, which in this case is the right side. Therefore, the correct answer is D. The other options (A, C) are not correct as they mention the masseter muscles, which are primarily responsible for closing the jaw (e.g., during chewing) and not specifically for moving the jaw from side to side.