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!

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Which muscle depresses the tongue?

Genioglossus
Hyoglossus
Palatoglossus
Styloglossus

The correct answer is: Hyoglossus

The hyoglossus muscle is responsible for depressing the tongue, meaning it pulls the tongue downwards towards the bottom of the mouth. Option A, the genioglossus muscle, is responsible for protruding and retracting the tongue. Option C, the palatoglossus muscle, helps raise the back of the tongue to close the opening between the oral cavity and the throat. Option D, the styloglossus muscle, helps retract and elevate the tongue. Therefore, these options are not correct because they do not perform the function of depressing the tongue.