Hearing Aid Dispensers Written Exam with Complete Solutions
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Module
Hearing aid dispensers
Institution
Hearing Aid Dispensers
Hearing Aid Dispensers Written Exam with Complete SolutionsHearing Aid Dispensers Written Exam with Complete SolutionsHearing Aid Dispensers Written Exam with Complete SolutionsHearing Aid Dispensers Written Exam with Complete Solutions
A large perforation of TM can commonly cause how many dB of l...
Hearing Aid Dispensers Written Exam
with Complete Solutions
A large perforation of TM can commonly cause how many dB of loss. - ANSWER - 30 dB
What type of loss is favorable to medical treatment. - ANSWER - Conductive
Carhart Notch appearing at 2 KHz. BC test is poorer than the actual sensorineural 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: - ANSWER - Otosclerosis
___ is good to find hearing loss. ___ & SRT are within 5 to 10 dB difference. - ANSWER - PTA
This vent in a non-occluding earmold enhances high frequencies. - ANSWER - Parallel vent.
What is the most common earmold material that has durability & easy modification? - ANSWER
- Silicone 2,000
What tympanogram shows normal middle ear pressure but hypermobility? - ANSWER - Type
Ad.
If the acoustic reflex test shows 5dB, what type of loss should be suspected? - ANSWER - Non-
organic loss.
What type of vent effectively modifies low frequency & In non-occluding earmolds it enhances
high frequency? - ANSWER - Parallel vent.
What is the major function of the earmold? - ANSWER - Acoustic enhancement in the ear canal.
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