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Safety Limits for Aided Music Listening

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1.  What is the general relationship between hearing loss & vulnerability to further noise-induced hearing loss?
  1. People with hearing loss are just as vulnerable than those with normal hearing.
  2. People with hearing loss are more vulnerable than those with normal hearing.
  3. People with hearing loss are less vulnerable than those with normal hearing.
  4. There is no relationship between hearing loss & vulnerability.
2.  Assuming the same long-term exposure levels, which of the following is true?
  1. Music is more likely to cause permanent hearing loss than noise.
  2. Noise is more likely to cause permanent hearing loss than music.
  3. Noise is less likely to cause permanent hearing loss than music.
  4. Music and noise are likely to cause similar amounts of hearing loss.
3.  Suppose someone with normal hearing thresholds and someone with a moderate hearing loss and NAL-RP linear gain are sitting next to each other. Which of the following is generally true?
  1. Both people can be exposed to the sound field for the same amount of time.
  2. The person with normal thresholds can stay longer.
  3. The person with hearing aids can stay longer.
  4. The person with normal thresholds is more susceptible to hearing loss.
4.  After 40 years of daily exposure to 85 dB, excess risk = ____%
  1. 8%
  2. 20%
  3. 25%
  4. None of the above
5.  Music tends to result in ____ temporary thresholds shift than noise.
  1. More
  2. Same
  3. Less
  4. None of the above.
6.  A model of noise-induced hearing loss therefore provides a _________ estimate of music-induced hearing loss.
  1. Conservative
  2. Extreme
  3. Liberal
  4. None of the above.
7.  When comparing the two models, they were:
  1. The exact same.
  2. Different, but found that they predict similar exposure limits.
  3. Neither could predict outcomes.
  4. None of the above.
8.  These computer models are intended to:
  1. Be applied to noise, but not music.
  2. Approximate limits for music.
  3. Predict risk of a population. The models cannot predict risk for an individual.
  4. None of the above.
9.  These computer models generally allow additional hearing loss in what percentage of the population?
  1. 0%
  2. 4%
  3. 8%
  4. 12%
10.  Real-ear insertion gains often vary by>___dB, in cases where real-ear verification is not available more conservative limits might be warranted.
  1. 10dB
  2. 20dB
  3. 25dB
  4. 30dB

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