CAOHC Exam Questions with Correct Answers

CAOHC Exam Questions with Correct Answers Unprotecting noise exposure can cause the following types of hearing loss - answerSENSORINEURAL The range of human speech IS - answer250 HZ-4000HZ What is the cause of conductive hearing loss - answerCerumen impaction the audiometer use for industrial hearing testing is - answerPure - tone air conduction Identify the correct starting settings on an audiometer for testing. - answer0 db and 1000HZ When testing the correct procedure to follow is - answerDown by 10 DB, up by 5DB The subject responds to a tone at 25 DB HL to nextT DB HL setting is - answer15 DB HL If the subject is given a false responses and likely guessing the best action is too - answerTest them in automatic mode Problem audiograms must be repaired by - answeran audiologist or physician Background noise levels in the testing department must be rechecked - answerif the environment changes or to boot is moved biological calibration checks are required - answerDaily prior testing When testing a subject with tinnitus is the best to - answeruse a pulse tone As part of the self listing check the following is evaluated - answerStatic /distortion An exhaustive calibration check is required. - answerEvery two years the auidiometer must be acoustically calibrated. - answerAnnually The following information must be listed on the audiogram for OSHA testing - answerTester name -last audiometer calibration date -employee must resent noise exposure a