Q.

Which of the following combinations is correct regarding the paranasal sinuses and where they drain to?

A. Maxillary sinus; middle meatus
B. Anterior ethmoidal air cells; inferior meatus
C. Posterior ethmoidal air cells; oral cavity
D. Sphenoid sinus; frontonasal recess
E. Frontal sinus; lacrimal duct
Answer» A. Maxillary sinus; middle meatus
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