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← Human Body & HealthWhich mechanism causes asymmetrical hearing loss following acoustic trauma?
A)Stereocilia shearing exceeding elastic limit✓
B)Auditory nerve demyelination inhibits transmission
C)Ossicular chain dislocation isolates stimulus
D)Cochlear perfusion limits oxygen delivery
💡 Explanation
Temporary or permanent hearing loss can occur from sustained loud noises because progressive stereocilia shearing in the cochlea exceeds their elastic limit, damaging hair cells; therefore hearing thresholds shift, especially at the trauma location, unequal bilaterally rather than symmetrically damaging both uniformly.
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