Which of the following is TRUE about stapedial reflex?
Correct Answer: Protects from loud noises
Description: Stapedial reflex - A loud noise is put in either the ipsilateral or contralateral ear and the reflex causes the stapedius tendon to contract suddenly. This may be seen on tympanometry as a flick and is evidence of a functioning VII nerve down to this branch. Absence of the reflex may be result of many other disorders (eg. Hearing) as well as VII nerve lesion.
Category:
Physiology
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