This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
Eustachian tube opens - 
Select and explain. 
A. Above superior turbinate, B. Behind posterior end of inferior trubinate, C. Anterior to inferior turbinate, D. Between superior and middle trubinate
B: Behind posterior end of inferior trubinate
Answer: B: Behind posterior end of inferior trubinate 
Explanation: Pharyngeal opening of Eustachian tube is situated 1.25 cm behind the posterior end of inferior turbinateQ.