This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: ENT
Nerve damaged in radical mastiodectomy is: 
Select and explain. 
A. Facial, B. Chochlear, C. Vestibular, D. All
A: Facial
Answer: A: Facial 
Explanation: Complications of mastoid surgery- Total hearing loss/dead ear Facial palsy (rare)