Try it
ENT · Rhinology
Sample itemWhich paranasal sinus most commonly drains into the middle meatus?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. Maxillary sinus
The finding is best explained by Maxillary sinus; this is the key Rhinology principle that matches the presentation described in the question.
Option by option
A. Posterior ethmoid sinus
Posterior ethmoid sinus can occur in a different setting but is not the best answer here.
B. All sinuses drain to the superior meatus
All sinuses drain to the superior meatus does not fit the symptom pattern or examination finding provided.
C. Sphenoid sinus
Sphenoid sinus does not account for the defining rhinology feature.
D. Maxillary sinus (correct)
Correct. Maxillary sinus is the appropriate conclusion for the decisive clue.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.