SPA 4032 Study Guide - Quiz Guide: Outer Ear, Middle Ear, Audiology
18 Aug 2016
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Audiogram is an attempt to determine the threshold of the lowest level of sound a person can just hear at various frequencies. What does pure tone audiometry relies on (2)? voluntary cooperation and understanding of test procedures. * two separate channels with all of the functions duplicated. How does the automatic audiometer function? hold to raise release to lower. Name the speech noise stimuli and what it is used for Used as a masker for pure tone stimuli. A device capable of vibrating when activated by an electrical signal from the oscillator, converts the electrical signal into a vibration that can be heard. What is etymotic number or eartone number for an insert earphone. Acoustic diaphragm housed in a case, sent through a small tube, and placed in the ear by a disposable foam cuff. Best to use narrowband noises or warble tones. Placed on mastoid, does not touch auricle, and placed under hair.
