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B4E051 Unit 4 V2 (Unit Review Exercises) Set 2
Terms in this set (30)
The frequency of pitch of a sound is expressed in what?
From where does the external auditory canal receive sound waves?
All of the following components make up the structures of the inner ear with the exception of the ...
Which part of the ear is considered tonotopic?
Hearing conservationist recertification must be renewed every
What is the generally acceptable patient no-show appointment rate for a base when monitoring the hearing conservationist program?
Less than 10 percent
After approximately what time period do individuals who have been exposed to high noise levels for a short time usually make a complete recovery?
14 to 16 hours
At what frequency range in Hz can permanent hearing loss be diagnosed?
3K to 6K Hz
Which is a database application used to test hearing and manage the HCP data within the DOD?
What form is used to refer a patient to the HCDC?
AF Form 1672
If workers cannot receive audiograms before they begin working in a hazardous noise environment, within how many days prior to beginning a job must the reference audiogram be performed?
The reference audiogram is documented on a
DD Form 2215
WHo sets the standards for calibration that the AF uses today?
American National Standards Institute (ANSI)
On what form are the daily calibration checks recorded?
DD Form 2217
When compared to the baseline audiogram measured in dB at various frequencies measured in Hz, what difference constitutes a discrepancy on a daily calibration check?
+/- 5dB or more at 500 through 4K Hz or +/-10 dB at 6K Hz
Why do we perform audiometric monitoring?
to detect hearing loss at its earliest stages
How often is the audiometer electroacoustic calibration performed?
What form is used for a referral in the HCP?
What is the recommended action for a worker who is unable to wear hearing protective devices?
refer to HCDC/HCC
Who must request fitness and risk evaluations?
Medical provider or line management
Which publication is used to evaluate flying personnel who exceed hearing standards for their flying class?
OSHA reportable hearing loss is defined as a work related PTS, relative to the current reference audiogram of an average of how many dB at 2K, 3K, 4K Hz?
By what amount will earplugs or earmuffs generally reduce noise levels in dB?
What is the additional attenuation factor in dB you can expect when earmuffs are worn in combination with earplugs?
Initial education should be accomplished for new employees who are exposed to hazardous noise no greater than
30 days after beginning duties in a hazardous noise are
When employees are not complying with the wearing of hpd, document it on
Chronological report of workplace surveillance
Which part of the cleaning process for earplugs is the most important?
Where should personnel report if they experience irritation or discomfort of the ear canals or head as a result of routine use of hp?
A STS found on monitoring audiometry which resolves after a 14-hour noise free period after the first or second f/u will be considered
When a STS is found on the first 14 hours noise free audiogram
immediately follow with a second noise free test
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