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1-2 - All audiometer tones should be presented for ____________ seconds 14 - When there is a positive STS, the patient must be __________ hours noise free prior to retest 140 dBP - Impulse noise becomes hazardous at 140 dBP - Single hearing protection is required when the impulse noise exceeds 2...

"hearing levels" used by audiometers are also known as "sound pressure levels": - false 29 CFR 1910.95 is an example of a standard, not a regulation: - false a sound level meter is used to calculate sound wave frequency: - false acoustic neuromas can manifest as an asymmetric or unilateral he...

A Earplugs fits properly if - It is full inserted into the ear canal According to OSHA Autometric testing records more must be kept for - Duration of employment Activities that the OHC is qualified to perform. - Audiometric testing otoscopic examination An exhaustive calibration check is require...

A calibration performed by specialists with specialized equipment every 2 years, or when a repair is done is called a(n) ____________ calibration. a. acoustical b. exhaustive c. biological d. comprehensive - B . Advantages of a microprocessor audiometer are less examiner errors, requires littl...

'Hearing levels' used by audiometers are also known as 'sound pressure levels'. A. True B. False - B. False 29 CFR 1910.95 is an example of a standard, not a regulation. A. True B. False - B. False Administrative controls to limit noise exposure include which of the following? A. Limiting...

________________ correlates well with risk of noise induced hearing loss - A-weighting ________________ is used to filter and measured sound to capture sounds considered to be hazardous to hearing. - A-weighting _____________________ measurement during testing is best. - Continuous 100 dB + 100 ...

_______ weighting is mostly used for measuring impulse sounds like that generated by weapons. - Z _______ weighting is unweighted across the human hearing frequency range of 20-20,000 Hz. - Z ________ measurements are unweighted and therefore referred to as just dB. - Z #Days to notify individual...