This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Surgery
Nerve involved in parotidectomy is ? 
Select and explain. 
A. Trigeminal, B. Mandibular, C. Auriculotemporal, D. Lingual
C: Auriculotemporal
Answer: C: Auriculotemporal 
Explanation: The nerve which is commonly involved is auriculotemporal nerve leading to Frey's syndrome. There are a number of quite invasive techniques described to prevent Frey's syndrome following parotidectomy. These are: Sternomastoid muscle flap, temporalis fascial flap, inseion of aificial membrane between skin and parotid sheath. Reference : Bailey & Love, 27th Edition, page no = 794.