Questions: Which one of the following statements about the effects of noise is FALSE? Permanent hearing loss occurs within the first 2 hours of exposure to sounds above 60 decibels. Permanent hearing loss can occur from prolonged exposure to sounds above 80-85 decibels. The Occupational Safety and Health Administration (OSHA) sets legal standards for noise levels in the workplace. Noise pollution can cause chronic stress and negative health effects.

Which one of the following statements about the effects of noise is FALSE? Permanent hearing loss occurs within the first 2 hours of exposure to sounds above 60 decibels. Permanent hearing loss can occur from prolonged exposure to sounds above 80-85 decibels. The Occupational Safety and Health Administration (OSHA) sets legal standards for noise levels in the workplace. Noise pollution can cause chronic stress and negative health effects.
Transcript text: Which one of the following statements about the effects of noise is FALSE? Permanent hearing loss occurs within the first 2 hours of exposure to sounds above 60 decibels. Permanent hearing loss can occur from prolonged exposure to sounds above 80-85 decibels. The Occupational Safety and Health Administration (OSHA) sets legal standards for noise levels in the workplace. Noise pollution can cause chronic stress and negative health effects.
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Solution

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The answer is the first one: Permanent hearing loss occurs within the first 2 hours of exposure to sounds above 60 decibels.

Explanation for each option:

  1. Permanent hearing loss occurs within the first 2 hours of exposure to sounds above 60 decibels.
    This statement is FALSE. Sounds at 60 decibels are generally considered safe and are equivalent to normal conversation levels. Permanent hearing loss is unlikely to occur at this level, even with prolonged exposure.

  2. Permanent hearing loss can occur from prolonged exposure to sounds above 80-85 decibels.
    This statement is TRUE. Prolonged exposure to sounds above 80-85 decibels can indeed lead to permanent hearing loss. This is why hearing protection is recommended in environments where noise levels exceed these thresholds.

  3. The Occupational Safety and Health Administration (OSHA) sets legal standards for noise levels in the workplace.
    This statement is TRUE. OSHA does set legal standards for permissible noise levels in the workplace to protect workers' hearing and overall health.

  4. Noise pollution can cause chronic stress and negative health effects.
    This statement is TRUE. Noise pollution is known to contribute to chronic stress and can have various negative health effects, including sleep disturbances and increased risk of cardiovascular diseases.

In summary, the false statement is the first one regarding the effects of 60-decibel noise levels.

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