Hearing Aid Dispensers Written Exam Questions With
Complete Solutions To Score A+
A large perforation of TM can commonly cause how many dB of loss.
30 dB
What type of loss is favorable to medical treatment.
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:
Otosclerosis
___ is good to find hearing loss. ___ & SRT are within 5 to 10 dB difference.
PTA
Component in input & output compression.
Feedback circuit.
This vent in a non-occluding earmold enhances high frequencies.
Parallel vent.
What is the most common earmold material that has durability & easy
modification?
Silicone 2,000
What is the major function of the earmold?
Acoustic enhancement in the ear canal.
Provides comparison between unaided & aided output.
Functional gain.
What frequency is emphasized naturally do to the large & or open vent in the SIE
or RIC hearing aids?
High frequency.
What tympanogram shows significant negative pressure & normal mobility?
Type C.
Complete Solutions To Score A+
A large perforation of TM can commonly cause how many dB of loss.
30 dB
What type of loss is favorable to medical treatment.
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:
Otosclerosis
___ is good to find hearing loss. ___ & SRT are within 5 to 10 dB difference.
PTA
Component in input & output compression.
Feedback circuit.
This vent in a non-occluding earmold enhances high frequencies.
Parallel vent.
What is the most common earmold material that has durability & easy
modification?
Silicone 2,000
What is the major function of the earmold?
Acoustic enhancement in the ear canal.
Provides comparison between unaided & aided output.
Functional gain.
What frequency is emphasized naturally do to the large & or open vent in the SIE
or RIC hearing aids?
High frequency.
What tympanogram shows significant negative pressure & normal mobility?
Type C.
