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
Hyperacusis in Bell's palsy is due to the paralysis of the following muscle - 
Select and explain. 
A. Tensor tympani, B. Levator palatini, C. Tensor veli palatini, D. Stapedius
D: Stapedius
Answer: D: Stapedius 
Explanation: Stapedius muscle dampens excessive vibrations of the stapes caused by high pitched sounds in order to protect the internal ear.
If this protective reflex is not elicited, it indicates stapedius paralysis and results in hyperacusis.