Damage to the ear caused by a sudden loud noi | vedclass

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Question

(D) The ear possesses a protective mechanism known as the acoustic reflex to prevent damage from sudden loud sounds. This reflex involves the contract

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(D) The ear possesses a protective mechanism known as the acoustic reflex to prevent damage from sudden loud sounds. This reflex involves the contraction of two small muscles in the middle ear: the $Tensor \, tympani$ and the $Stapedius$ muscle. When a loud sound occurs,these muscles contract,which stiffens the ossicular chain (the bones of the middle ear). This stiffening reduces the transmission of sound vibrations to the inner ear,thereby protecting the delicate structures from damage. Therefore,both the $Tensor \, tympani$ and $Stapedius$ muscles play a crucial role in this protective mechanism.

Damage to the ear caused by a sudden loud noise (blast) is prevented by:

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