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20Q: Otoacoustic Emissions - Clinical and Future Applications

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1.  A prudent clinical approach to using DPOAEs and TEOAEs may be to: Conduct DPOAEs and TEOAEs on every patient Conduct DPOAEs on all children and TEOAEs on all adults If test results do not corroborate one another (e.g. normal pure tone thresholds but absent DPOAEs), consider another OAE test Ensure both tests are never conducted on the same patient as they are redundant

2.  Hidden hearing loss refers to: malingering neural degradation with normal outer hair cell function severe-profound audiometric thresholds with no apparent etiology no measurable hearing thresholds

3.  Two researchers who have studied hidden hearing loss extensively are: Mueller and Ricketts Bess and Tharpe Jerger and Palmer Kujawa and Liberman

4.  Evidence of hidden hearing loss has been found in which clinical population? newborns people exposed to very high levels of noise (e.g. gunfire, blasts) all individuals who complain of speech perception in noise issues individuals with profound hearing loss who use American Sign Language (ASL)

5.  In the classic definition of hidden hearing loss, outer hair cell function is: normal entirely absent mildly affected severely affected

6.  Which clinical measures would likely be included in a clinical protocol for hidden hearing loss? audiometry OAEs speech perception in noise all of the above

7.  In the literature, hidden hearing loss is referred to by this more accurate term: cochlear synaptopathy malingering acoustic neuroma Single Sided Deafness

8.  Technological advancements in OAE measurement include which of the following? recording OAEs simultaneously from both ears beter calibrated stimuli recording OAE at very high frequencies (i.e. 12 kHZ) all of the above

9.  FPL stands for: Forward Pressure Level Frequency Plus Level Flat Frequency Load Functional Probe Logic

10.  Can OAEs be used to monitor hearing health? No, because this is not clinically feasible with today’s equipment. No, because OAEs do not change when there is significant change in cochlear function. No, because OAEs have poor test-retest reliability. Yes, in fact OAEs are one tool that some branches of the military currently use in monitoring hearing health.