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← Human Body & HealthIf a construction worker experiences chronic exposure to high decibel noise levels without ear protection, which consequence involving inner ear transduction is most likely?
A)Increased tectorial membrane flexibility
B)Enhanced outer hair cell motility
C)Increased endocochlear potential magnitude
D)Irreversible stereocilia tip-link damage✓
💡 Explanation
Chronic noise exposure damages the delicate stereocilia in the inner ear because it causes excessive mechanical stimulation, leading to the disruption of the tip links that mediate mechanotransduction. Therefore, irreversible stereocilia tip-link damage is most likely, rather than increased flexibility or enhanced motility, which would improve hearing sensitivity. The endocochlear potential magnitude would decrease with damage.
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