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
Which of the following is false about tympanic membrane 
Select and explain. 
A. Cone of light is seen in anteroinferior, B. Shrapnel's membrane is also known as parsflaccida, C. Healed perforation has three layers, D. Anterior malleolar fold is longer than posterior
C: Healed perforation has three layers
Answer: C: Healed perforation has three layers 
Explanation: The normal tympanic membrane has three layers. outer epithelial, middle fibrous and inner mucosal layer A perforation of tympanic membrane heals only by epithelial and mucosal layer without the intervening fibrous layer so healed perforation has two layers only. Ref: PL Dhingra Ear Nose and Throat; 6th edition; Pg no: 56