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Hearing Aid Dispensers Written Exam Questions with Verified Answers
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Hearing Aid Dispensers Written Exam Questions with Verified Answers
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Hearing Aid Dispensers Written Exam1.A large perforation of TM can commonly cause how many dB of loss.: 30 dB
2.What type of loss is favorable to medical treatment.: Conductive
3.Carhart Notch appearing at 2 KHz. BC test is poorer than the actual sen- sorineural response in the low frequencies. Caucasian middle-aged women are most at risk. Worse for pregnant women, who can experience a rapid decrease in hearing ability:: Otosclerosis
4. is good to find hearing loss. & SRT are within 5 to 10 dB difference.-
: PTA
5.Component in input & output compression.: Feedback circuit.
6.This vent in a non-occluding earmold enhances high frequencies.: Parallel vent.
7.What is the most common earmold material that has durability & easy
modification?: Silicone 2,000
8.What is the major function of the earmold?: Acoustic enhancement in the ear canal.
9.Provides comparison between unaided & aided output.: Functional gain.
10.What frequency is emphasized naturally do to the large & or open vent
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