CNIM Review - BAEP Questions and
Correct Answers
Wave I Generator Ans: Distal CN8 Nerve
distal cn 8 nerve problems affects on BAEP Ans: Cause increase in
absolute latencies
changes cased by kinked earphone tubing? Ans: increase in
absolute latencies
changes cased by fluid in earphone tubing? Ans: increase in
absolute latencies
changes cased by excessive earwax (cerumen)? Ans: increase in
absolute latencies
changes cased by perforated or Hardened tympanic membrane?
Ans: increase in absolute latencies
changes cased by a middle ear infection [otitus media] Ans:
increase in absolute latencies
changes cased by artificial Ventilation [change in pressure of
middle ear]? Ans: increase in absolute latencies
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changes cased by otosclerosis [calcification of stapies] Ans:
increase in absolute latencies
changes cased by cholesteratoma [skin cyst in middle ear] Ans:
increase in absolute latencies
changes caused by compromised blood supply to cochlea Ans:
increase in absolute latencies
changes caused by conductive/peripheral hearing loss Ans:
increase in absolute latencies
what click polarity do you use to improve wave 1 Ans: alternating
or rarefraction
to improve wave 1 change stimulation by Ans: increase intensity
wave 2 generator Ans: proximal cn8 nerve [cochlear nucleus]
proximal cn8 n problems affect BAEPs Ans: normal at high
intensity stimulation but increased absolute latencies at lower
intensity stimulation
changes caused by high frequency hearing loss Ans: normal at
high intensity stimulation but increased absolute latencies at lower
intensity stimulation
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