This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous ENT, Subject name: ENT
[{'content': 'Nerve damaged in radical mastoidectomy is \nSelect and explain. \nA. Facial nerve, B. Cochlear nerve, C. Vestibular nerve, D. Mandibular nerve', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Facial nerve is involved in radical mastoidectomy Facial paralysis is the complication Ref: Dhingra 7e pg 460', 'role': 'assistant'}]