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
[{'content': "Hyperacusis in Bell's palsy is due to the paralysis of the following muscle - \nSelect and explain. \nA. Tensor tympani, B. Levator palatini, C. Tensor veli palatini, D. Stapedius", 'role': 'user'}, {'content': 'Answer: D \nExplanation: Stapedius muscle dampens excessive vibrations of the stapes caused by high pitched sounds in order to protect the internal ear.\nIf this protective reflex is not elicited, it indicates stapedius paralysis and results in hyperacusis.', 'role': 'assistant'}]