This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose, Subject name: Anatomy
Maxillary sinus drains into - 
Select and explain. 
A. Inferior meatus, B. Middle meatus, C. Superior meatus, D. Sphenoethmoidal recess
B: Middle meatus
Answer: B: Middle meatus 
Explanation: Ans. is 'b' i.e.. Middle meatus Part of lateral nasal wallOpeningsInferiorNasolacrimal ductMiddleFrontal sinus, Maxillary sinus, Anterior ethmoidal sinusSuperiorPosterior ethmoidal sinusSphenoethmoidal recessSphenoid sinus