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What's The Difference? Earmold Acoustics and Custom Aid Design

View Course Details Please note: exam questions are subject to change.


1.  What type of earmold coupler could be selected for a mild to moderate hearing loss?
  1. Flex Vent or Open Earmold
  2. Canal or Canal Lock Earmold
  3. RIC or Receiver-in-the- ear Mold
  4. All of the above
2.  What type of earmold coupler could be selected for a moderate to severe hearing loss?
  1. Skeleton or Semi Skeleton Earmold
  2. Air Dome
  3. Tulip Dome
  4. None of the above
3.  What type of earmold coupler could be selected for a severe to profound hearing loss?
  1. Air Dome
  2. Tulip Dome
  3. Full shell or Shell Earmold
  4. None of the above
4.  The Half-shell earmold design can be ordered in either a hard or soft material and is designed to accommodate what type of hearing loss?
  1. Mild hearing loss ONLY
  2. Minimal hearing loss ONLY
  3. Moderate to severe hearing loss
  4. None of the above
5.  The RIC mold is designed to be fit with what type of device?
  1. Receiver-n-the-ear models
  2. High Power Receiver-in-the-ear models
  3. Over-the-ear RIE/RITE models
  4. Any of the above
6.  The RIC mold can be ordered to couple to the RIE or RITE over-the-ear models and fit what type of hearing loss?
  1. Mild to Moderate hearing loss
  2. If using a High Power Receiver these can be ordered to fit a moderate to severe hearing loss
  3. None of the above
  4. Both A and B are true
7.  Small or pressure vents should be ordered if the hearing loss is which of the following?
  1. Minimal loss
  2. Mild loss in the low frequencies ascending to a moderate loss
  3. Moderate-severe to Severe hearing loss
  4. None of the above
8.  Which type of venting bests describes the custom venting used in Interton devices?
  1. D-Vents
  2. Air conditioning vents
  3. None of the above
  4. All of the above
9.  We recommend having what in your Impression Kit?
  1. Medium and high viscosity material
  2. High Shore Value of material
  3. A D-mic tool and an otobite tool
  4. All of the above
10.  Moving your client into a Flex-vent from an Air dome will add approximately how much headroom onto your fitting?
  1. 0dB
  2. 30dB
  3. Approximately 5dB potentially up to 18dB
  4. None of the above