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HEARING AID DISPENSER WRITTEN EXAM
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HEARING AID DISPENSER WRITTEN EXAM 1. db loss of a perforation of TM: 10-15db loss 2. procedure done to fix perforation: tympanoplasty or myringoplasty 3. monomeric spots: looks like a hole in TM, but reflects light like a mirror. holes that have healed. aka "mirror membranes" 4. average di...
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