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What frequencies are tested using an audiometer?
250, 500, 1000, 3000, 4000 Hz
What type of noise is presented for clinical masking?
narrowband noise
What does AAA stand for?
American Academy of Audiology
T/F: an air-bone gap indicates a sensorineural hearing loss?
False
What is the perceptual correlate to frequency?
Pitch
What unit is pitch?
mels
What frequencies does the occlusion effect affect the most?
250, 500, 1000 Hz
T/F: We test the left ear first if both ears have similar hearing ability
False
Test the right ear first
What does the attenuator dial on the audiometer control?
intensity
What is the unit of measurement for force?
Newtons (N)
Which tuning fork test measures BC sensitivity compared to AC sensitivity?
Rinne test
How do you calculate a 2-tone PTA?
average of two best thresholds from 500, 1000, 2000 Hz
What symbol represents left ear air conduction masked?
square
T/F The initial masking level when finding the true RE AC threshold should be 15 dB SL.
True
What two fields were the parents of audiology?
otology and speech language pathology
Who was the father of audiology?
Dr. Raymond Carhart
The interaural attenuation for insert headphones
60 dB
Which audiology specialty identifies noise sources and measure noise levels?
Industrial audiology
What is required to identify a sine wave
frequency, phase, amplitude
NOT time
When is clinical masking used?
when there is suspected cross-hearing
Which frequencies do we test in BC hearing testing
250, 500, 1000, 2000, 3000, 4000 Hz
When do you mask for BC in the same ear
when the BC and AC thresholds are further than 10 dB
Note 
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