This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
Most common site of perforation in tympanic membrane is 
Select and explain. 
A. Anteroinferior, B. Posteroinferior, C. Anterosuperior, D. Posterosuperior
A: Anteroinferior
Answer: A: Anteroinferior 
Explanation: In the stage of resolution, usually, a small perforation is seen in the anteroinferior quadrant which is commonest of all quadrants of pars tensa. (Ref: Textbook of diseases of ENT, PL Dhingra, pg no. 68)