Question

multiple choice question
the oral cavity is bounded anteriorly by the ____ and lips and posteriorly by the ____.
o teeth; oropharynx
o vestibule; nasopharynx
o tongue; laryngopharynx
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Explanation:

The oral cavity's anterior boundary includes the teeth (along with lips) as they form the front - most part of the oral opening. The oropharynx is the posterior part of the oral cavity. The vestibule is part of the oral cavity but not the anterior boundary in the context of this question. The nasopharynx is not directly related to the posterior boundary of the oral cavity. The tongue is inside the oral cavity but not the anterior boundary, and the laryngopharynx is more related to the lower part of the pharynx connected to the larynx rather than the posterior boundary of the oral cavity.

Answer:

teeth; oropharynx