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You are here: Home > First Aid & Safety Information > Test Your Knowledge > Hearing Safety Quiz
  1. Most earplugs provide protection from sounds of 80 dB to 200 dB.
    a) True      b) False

  2. Hearing protection is required at or above which of the following?
    a) 50 dB
    b) 85 dB
    c) 120 dB
    d) 155 dB

  3. According to OSHA regulations, what is the maximum exposure length to auto horns or a loud rock concert without hearing protection?
    a) 15 minutes
    b) 45 minutes
    c) 2 hours
    d) 4 hours

  4. Aside from hearing loss, exposure to high decibel ratings can cause what?
    a) Fecal incontinence (the "brown note")
    b) The calcification of nerve cells
    c) Damage to the body's soft tissues
    d) Body hair standing on-end

  5. Which of the following does OSHA NOT require of businesses in noisy environments?
    a) Employees shall be given the opportunity to select their hearing protectors from a variety of suitable hearing protectors provided by the employer
    b) The establishment of hearing conservation programs
    c) A yearly hearing test for employees exposed to an average of 85 dB or more during an 8-hour work day
    d) Corded earplugs to avoid losing single plugs

  6. Even with proper hearing protection, what is the maximum recommended noise level to be exposed to?
    a) 115 dB
    b) 140 dB
    c) 175 dB
    d) 200 dB

  7. Earplugs must be sterilized before each use.
    a) True      b) False

  8. Our earplugs generally have better noise reduction than our earmuffs.
    a) True      b) False

  9. The sound of a gun muzzle blast is approximately 1,000 times as intense as the sound of a chainsaw.
    a) True      b) False

  10. Which of the following is NOT true of sound?
    a) It acts very differently underwater than in the air
    b) It does not exist in a vacuum (i.e. outer space)
    c) It travels much, much, much slower than light
    d) Like magnetism, it can only effect the environment very near to it

(Answers: False, B, A, C, D, B, False, True, True, D)

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