CAOHC Exam Questions with Correct Answers

CAOHC Exam Questions with Correct Answers The missions of CAOHC include: - answerguiding industry on successful implementation of hearing conservation programs NRR calculations are based on an EPA specification that uses a withdrawn ANSI standard. - answertrue Age corrections values are determined by: - answerConsulting tables published in Appendix F of the regulations Continuous noise is defined as noise lasting longer than: - answer1sec Administrative controls to limit noise exposure include which of the following? - answerLimiting the time a worker spends at a noise source What type of hearing loss can be attributed to noise? - answersensorineural State hearing regulations must meet or exceed federal regulations. - answertrue If a daily calibration threshold is off by more than 5 dB, the audiometer must be acoustically calibrated. - answertrue in addition to the OSHA requirements, FRA requires what datum on audiograms? - answeraudiometer model When visually inspecting an ear canal, an otoscope should be held like a hammer. - answerfalse No follow-up is required for an STS if a physician determines the loss was not caused on the job. - answertrue Audiometric testing is also known as hearing screening. - answerfalse When a worker's exposure reaches the 'action level', the employer must: - answerinclude the worker in the hearing conservation program Which of the following is true about banded earplugs? - answerThey are useful in intermittent noise environments What is the document MSHA requires to report hearing loss incidents? - answerform 7000- 1 FRA requires worker training within 180 days of enrollment in a hearing conservation program. - answertrue What is the amount of attenuation achieved when earplugs are worn in combination with earmuffs? - answer5 dB more than the higher attenuation of the two devices Which of the following is NOT an occupational noise regulatory body? - answerCDC Hertz is a unit of? - answersound frequency During acoustic calibration no adjustments are made to an audiometer. - answertrue functional hearing loss is also known as pseudohypacusis. - answertrue Which of the following is NOT a datum OSHA requires on audiograms? - answerworkers birthday OSHA defines a 'persistent STS' as an STS lasting more than: 21 days 30 days 45 days 60 days - answernone of the above What is the first thing you shou