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
Nerve supply of the tympanic membrane is by 
Select and explain. 
A. Auriculotemporal, B. Lesser occipital, C. Greater occipital, D. Parasympathetic ganglion
A: Auriculotemporal
Answer: A: Auriculotemporal 
Explanation: The auriculotemporal nerve supplies the anterior half of the lateral surface. Auricular branch of vagus nerve supplies posterior half of lateral surface. Tympanic branch of CN 9 supply medial surface. Reference: Dhingra 6th edition