ACNS Guidelines BSERs Questions With Complete Solutions

What are the two two categories of events in short--latency auditory evoked potentials (SAEPs)? correct answer: electrocochleogram (ECochG) brainstem auditory evoked potentials ECochG consists of electrical responses of the __________ and ____________ to acoustic stimulation. correct answer: cochlea auditory nerve What are the (3) components of the ECochG? correct answer: cochlear microphonics summating potential auditory nerve compound action potential (AP) Cochlear microphonics and the summating potential are receptor potentials of _______________. correct answer: cochlear hair cells The auditory nerve compound AP is the whole-nerve AP generated by _________________. correct answer: primary auditory nerve fibers The detection of ECochG requires special techniques such as recordings from the _____________. correct answer: External auditory meatus. What type of clicks should be used for SAEPs? correct answer: broad-band The clicks should be generated by driving with a ______ usec ______________ pulse, a standard audiometric earspeaker having a relatively _____ frequency spectrum. correct answer: 100 rectangular (single monophasic square wave) flat The waveform of the driving pulse is referred to as the click's _____________. correct answer: electrical waveform The sound pressure waves are referred to as the click's _______________. correct answer: acoustical waveform The acoustic wave-form resembles the stimulus applied to the __________________. correct answer: tympanic membrane