Each of the Following Is True of the Maxillary Sinus

question 20

Multiple Choice

Each of the following is true of the maxillary sinus EXCEPT one. Which is the EXCEPTION?

• A) The maxillary sinuses are the largest of the paranasal sinuses.
• B) The maxillary sinuses open into the posterior end of the hiatus semilunaris through one or more openings.
• C) The superior border of the maxillary sinus is the floor of the orbit.
• D) The maxillary sinus is one anatomic structure that almost never varies among individuals.
• E) During a nasal infection swelling occurs in the nasal mucosa.

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