HEARING AID DISPENSER PRACTICE TEST QUESTIONS

What BEST describes the effect on the patient if you continue to lower a hearing instrument's kneepoint 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 - Answer-A,B, & C What frequencies would be MOST affected by a head cold? - Answer-Low frequencies. 250,500 What is found on the bottom of the ear canal? - Answer-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? - Answer-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 - Answer-C. biological check of the instrument When both stapedius muscles contract even though only one ear is stimulated is called: - Answer-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 - Answer-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 - Answer-C. Exact fit to patient's hearing loss. When IA is exceeed, and one cochlea is better than the other ____ - Answer-Cross-Over is possible.