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Clinical Application of Middle Ear Implants

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1.  Which of the following most accurately describes candidacy for middle ear implants?
  1. Moderate to severe sensorineural hearing loss
  2. Moderate conductive hearing loss
  3. Normal hearing
  4. Profound sensorineural hearing loss
2.  Which of the following accurately describes the typical input to middle ear implants and the output of the middle ear implant to the patient?
  1. Electromagnetic input; acoustic output
  2. Acoustic input; mechanical motion output
  3. Induction input; mechanical motion output
  4. Acoustic input; electromagnetic output
3.  Name one completely implantable, commercially available MEI.
  1. Med-El Soundbridge
  2. Ototronix Maxum
  3. Cochlear Corp Codacs
  4. Envoy Esteem
4.  Which of the following types of middle ear implants employs a crystal material that changes shape when electrical current is applied?
  1. Piezoelectric
  2. ACDC
  3. Electromagnetic
  4. Electromechanical
5.  Which of the following middle ear implant technologies requires a magnet and an induction coil located in close proximity to deliver the amplified signal to the patient?
  1. ACDC
  2. Electromechanical
  3. Piezoelectric
  4. Electromagnetic
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