CAOHC Training Exam Questions with 100% Correct Answers

CAOHC Training Exam Questions with 100% Correct Answers CAOHC's primary mission is to: - answerEducate, inform, and guide industry and those serving industry on successful implementation of occupational HCP's to prevent occupational hearing loss. CAOHC recertification: - answerIs required every 5 years The sector with the highest incidence of occupational hearing loss: - answerManufacturing Auditory effects of noise exposure include noise-induced hearing loss, hyperacusis and? - answerTinnitus Noise-induced hearing loss typically occurs initially at? - answer4000 Hz Early signs/symptoms of a noise-induced hearing loss include tinnitus, difficulty understanding in background noise, and? - answerReliance on visual cues Type of hearing loss that results from cerumen impaction: - answerConductive Hearing loss due to aging is called: - answerPresbycusis Part of ear damaged by hazardous noise exposure: - answerOrgan of corti (cochlea) According to the decibel doubling rule, when you add together two identical sources of loudness, you increase the loudness by how many dB? - answer3 dB The _________ weighting network resembles how the human ear responds to sound and is required by OSHA to be used to determine risk and enroll employees in a HCP - answerA dBA Steady-state or continuous noise, such as a generator, has a duration of: - answer1 second or longer Instrument that captures noise levels at a point in time: - answerSound level meter When employees are mobile or have varying exposures over a workday, the recommended instrument for noise measurement is? - answerDosimeter