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Real Ear Verification of CROS and BiCROS Fittings

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1.  Contralateral Routing of Signal (CROS) is intended to overcome what single-sided deafness limitation?
  1. The hearing loss in the poorer ear
  2. Head shadow effect
  3. The hearing loss in the better ear
  4. Monaural listening
2.  Where should the probe tube be located for all CROS or BiCROS verification steps?
  1. On the floorboard of the test box
  2. In the poorer ear ear canal
  3. In the better ear ear canal
  4. In the ear canal of the ear closest to the sound field speaker
3.  What is the reference measure when verifying CROS fittings?
  1. The audiogram
  2. The better ear REUR or REUG
  3. The REAR result for 75dB speech input
  4. None of the above
4.  What is the reference measure when verifying BiCROS fittings?
  1. The audiogram
  2. The REAR result for 65dB speech input
  3. The better ear REAR or REIG
  4. The patient’s UCL’s
5.  Is measuring the head shadow effect a required step in CROS or BiCROS verification?
  1. Measuring the head shadow effect is an essential step in CROS or BiCROS verification
  2. Measuring the head shadow effect can not be done
  3. Measuring the head shadow effect is an optional step in CROS or BiCROS verification
  4. None of the above