Hyperacusis is due to the damage to which of the following muscles ________________?
Correct answer: D. Stapedius
- A. Orbicularis oris
- B. Styloglossus
- C. Stylopharyngeus
- D. Stapedius
Explanation
Stapedius normally limits excessive stapes movement; its paralysis causes hyperacusis, in which ordinary sounds seem abnormally loud. The stapedius is a facial-nerve muscle.
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