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20Q: Hearing Science "Hide and Seek" - Can Audiologists Diagnose Hidden Hearing Loss?

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1.  "Hidden hearing loss" refers to:
  1. A hearing loss that has been diagnosed via a conventional audiological exam that the patient "hides" or does not disclose for fear of stigma
  2. Another name for central auditory processing disorder (CAPD)
  3. permanent auditory nerve synaptic pathology "hidden" behind normal hair cell counts, and accompanied by a decrease in ABR Wave-I amplitude
  4. Hearing loss originating from the middle ear and/or inner ear
2.  Research with animal models show that cochlear synaptopathy is associated with:
  1. Difficulty localizing
  2. Difficulty hearing in quiet
  3. Difficulty with hearing in noise
  4. Difficulty identifying environmental sounds
3.  Which of the following statements is true regarding research about noise exposure history and hearing in noise deficits:
  1. animal models show a direct relationship between noise exposure history and hearing in noise deficits, but studies with human subjects show no relationship
  2. studies with human subjects show a direct relationship between noise exposure history and hearing in noise deficits, but studies with animal models do not
  3. both studies with animal models and those with human subjects show a direct relationship between noise exposure history and hearing in noise deficits
  4. neither studies using animal models nor those with human subject show a direct relationship between noise exposure history and hearing in noise deficits
4.  Bramhall et al (2017) was a high impact study that found:
  1. decreased ABR Wave I amplitudes attributed to firearm use
  2. increased ABR Wave I amplitudes attributed to firearm use
  3. no relationship between ABR Wave I amplitudes and firearm use
  4. decreased ABR Wave I amplitudes in rats exposed to cisplatin
5.  Stamper and Johnson (2015) found a relationship between ABR Wave I amplitude and recreational noise exposure in:
  1. rats
  2. chinchillas
  3. men
  4. women
6.  Extended high frequency hearing deficits have been found in:
  1. workers exposed to occupational noise
  2. personal audio system device users
  3. frequent concert goers
  4. all of the above
7.  A test battery for the differential diagnosis of cochlear synaptopathy would likely include all of the following EXCEPT:
  1. pure tone air and bone conduction testing
  2. Extended high frequency audiometry
  3. Electronystagmography (ENG)
  4. auditory evoked potential testing
8.  In animal models the gold standard marker for cochlear synaptopathy is:
  1. the amplitude of Wave I of the ABR
  2. a flat tympanogram with absent OAEs
  3. reduced amplitude of DPOAEs
  4. present contra/absent ipsi acoustic reflexes
9.  The only way to currently confirm cochlear synaptopathy in human subjects is using:
  1. eCochG testing
  2. Histology
  3. QuickSIN testing
  4. OAEs and ABR
10.  Two researchers who have studied cochlear synaptopathy and are often cited in this article are:
  1. Ricketts and Mueller
  2. Hornsby and Picou
  3. Slater and Adamson
  4. Kujawa and Liberman

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