Hearing Aid Dispenser Practice Test Questions And Answers Rated A+ What BEST describes the effect on the patient if you continue to lower a hearing instrument's knee point and increase the compression ratio? Choose ALL that apply. A. a lot of gain for soft sounds B. very few speech cues in a crowded party C. little or no gain for moderately loud sounds D. too much amplification in a crowded party A,B, & C What frequencies would be MOST affected by a head cold? Low frequencies. 250,500 What is found on the bottom of the ear canal? The Vagus Nerve ( Xth Cranial) What test would best predict the signal -to-noise ratio necessary for a hearing impaired person to understand speech normally in noise? QuickSIN. What would be the BEST way to prevent an intermittency in the hearing instrument from showing up in the delivery process? A. 2 cc couplet N.A.L. target matching B. real ear testing C. biological check of the instrument D. A.N.S.I. test of the instruments C. biological check of the instrument When both stapedius muscles contract even though only one ear is stimulated is called: Consensual Reflex. When considering different digital hearing instruments, open platform technology is generally considered: A. more complicated to program B. software driven C. hardware based D. less flexible for programming B. software driven When discussing benefits of multi -channel digital hearing instruments which of the following does NOT apply? A. Increased capacity for aid to change with hearing changes B. Increased hearing benefit in noise C. Exact fit to the patient's hearing loss D. More "natural" sound reproduction C. Exact fit to patient's hearing loss. When IA is exceeed, and one cochlea is better than the other ____ Cross -Over is possible. When patient/client concerns should be addressed Immediately. When troubleshooting a hearing instrument, you discover the electrical signal cannot be converted into acoustical energy. Which component is MOST likely defective? A. microphone B. amplifier C. receiver D. power source C. receiver Where signal processing occurs Amplifier Which condition of the human ear has NO effect on real ear -probe tube measurements? A. length of canal B. stiffness of T.M. C. physical shape D. diameter of canal B. Stiffness of T.M. Which of the following procedures would MOST likely be associated with fitting problems? A. Stapedectomy B. Fistula repair C. Myringotomy D. Mastoidectomy D. Mastoidectomy. Why do we mask? To ensure the the ear being tested is the ONLY ear participating in or contributing to the threshold measurements. Word Recognition intensity should be presented at: MCL or 30 to 40 dB above speech reception threshold (SRT). Two main objectives of Aural Rehabilitation 1. Educate the patient/client about the social and emotional aspects of hearing loss and devise a communication strategy that can be implemented. 2. Maximize the use of the hearing instruments within the context of the patient's/client's lifestyle and comm unication needs. Two key functions of hearing loops 1. Allow electromagnetic signal from conventional telephones, and some cell phones, to be transmitted to the hearing instrument. 2. Can be installed into any space, allowing the sound to be transmitted directly to the hearing instruments when a microphone is used by the speaker. Speech discrimination testing requires: an evenly monitored presentation. The primary function of the middle ear is to match the impedance of the outer ear to the inner ear by: Increasing the pressure at the stapes footplate.
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