19. What is “temporary threshold shift”?

A. Hearing loss due to excessive noise
B. Noise that is untolerable
C. Tolerable noise
D. inaudible noise
✅ The correct answer is option A.
A temporary threshold shift is a temporary shift in the auditory threshold. It may occur suddenly after exposure to a high level of noise, a situation in which most people experience reduced hearing. A temporary threshold shift results in temporary hearing loss.

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