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Innovations in Hearing Care from NAL, in partnership with the National Acoustic Laboratories

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1.  In simple terms, the underlying philosophy of the NAL prescriptions (NAL-NL2 and NAL-NL3) is to:
  1. Maximize speech intelligibility without exceeding normal loudness.
  2. Maximize loudness while improving speech intelligibility.
  3. Maximize loudness while maximizing speech intelligibility.
  4. Maximize speech intelligibility as quietly as possible.
2.  Analysis of large sets of fitting data and clinical insights led to which key improvement(s) in the NAL-NL3 prescription?
  1. An overall increase in low frequency gain targets.
  2. An overall decrease in low frequency gain targets.
  3. An overall decrease in mid frequency gain targets.
  4. An overall increase in low frequency gain targets and decrease in mid frequency gain targets.
3.  Survey responses from hearing healthcare providers indicated which of the following improvements were desired in an updated NAL-NL3 prescription?
  1. More gain for mixed and conductive hearing losses.
  2. More gain for high level (e.g. 80 dB) inputs.
  3. Less gain for in the mid frequency range.
  4. More realistic targets for reverse-sloping audiograms.
4.  The NAL-NL3 Comfort-in-Noise Module (NAL-NL3 CIN) is intended to be used in which of the following ways:
  1. A replacement to the NAL-NL3 prescription for patients who would like greater comfort in noisy situations.
  2. As a secondary program for NAL-NL3 users who would like a manual or automatic program for noisy situations.
  3. A good amplification option for users with normal or near-normal audiograms.
  4. Specifically to be used for wireless streaming of accessories.
5.  The NAL-NL3 Minimal Hearing Loss Module (NAL-NL3 MHL) uses which of the following information to calculate a patient’s amplification targets?
  1. Audiometric thresholds
  2. Speech audiometry scores
  3. Audiometric thresholds in combination with a set minimum gain profile
  4. All patients receive the same amplification profile.