Hearing Aid Dispenser License |237 Questions| With Correct Answers.

What is this degree of hearing loss categorized as? 90dB+ {Ans: Profound hearing loss}What does the matrix 114/40/6 mean? {Ans: it represents a circuit with a peak output of 114dB SPL, gain of 40dB and a slope of 6dB}Ossicular chain {Ans: ___________________ starts at the meeting of the TM & the handle of the malleus; the top of the malleus is connected to the top of the incus; the bottom of the incus meets the head of the stapes to form the incudostapedial joint; the footplate of the stapes is held in the oval window by an annular joint}Boyles Law {Ans: ____________ states that as the physical volume of a gas decreases, the pressure of the gas increases.}Manubrium {Ans: _________ is the handle of the malleus bone that attaches to the TM.}What are the 3 benefits of ANSI testing? {Ans: 1. the results can be duplicated from one test facility to another 2. the results can be applied clinically 3. the results can be used as the manufacturing standard for quality control purposes.}Dynamic range {Ans: _____________ the auditory space between threshold and UCL; the ______ for speech is between SRT and UCL}What does