Permanent damage to the ears begins after an eight hour exposure to ____ decibels.

Question

Quizplus · Accepted Answer

85 decibels is the threshold at which extended exposure can cause permanent hearing damage. Therefore, any exposure to noise levels above 85 decibels for eight hours or more can result in irreversible damage to the ears. Choices A, C, D, and E are all noise levels that can cause immediate damage to the ears, but they are not directly related to the length of exposure.

Permanent Damage to the Ears Begins After an Eight Hour