This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose and paranasal sinuses, Subject name: ENT
Bulla ethmoidalis is seen in: 
Select and explain. 
A. superior meatus, B. Inferior meatus, C. Middle meatus, D. Sphenoethmoidal reces
C: Middle meatus
Answer: C: Middle meatus 
Explanation: Middle meatus: It lies between the middle and inferior turbinates and is impoant because of the presence of osteomeatal complex in this area. Ref:Dhingra 5/e,p 152,153.