CAOHC recertification Exam Questions with Correct Answers

CAOHC recertification Exam Questions with Correct Answers CAOHC's primary objective is to: a. train and certify Occupational Hearing Conservationists and Course Directors b. provide input to legislative action regarding occupational hearing conservation program implementation c. train the 18 CAOHC executive council members on how to implement occupational hearing conservation progarms d. train course directors on how to implement occupational hearing conservation programs. - answerA. Train and certify occupational hearing conservationists and course directors CAOHC recertification a. is not a requirement b. must be done online annually c. is required every 5 years d. is required every 3 years - answerc. is required every 5 years The sector with the highest incidence of occupational hearing loss is: a. transportation b. manufacturing c. construction d. military - answerb. manufacturing The noise induced hearing loss "noise notch" typically occurs at: a. 1000 Hz b. 3000 Hz c. 4000 Hz d. 8000 Hz. - answerc. 4000 Hz Early signs/symptoms of a noise-induced hearing loss include tinnitus, difficulty understanding in background noise and: a. vertigo/unsteadiness b. reliance on visual cues c. ear pain d. ear discharge - answerb. reliance on visual cues Per OSHA, the Action Level is __________ dBA TWA and the Permissible Exposure Limit is _________ dBA TWA. a. 90;85 b. 85;85 c. 85;90 d. 90;90 - answerc. 85;90 Which of the following is NOT an element of the hearing conservation program: a. Noise hazard signage b. Audiometric monitoring c. Employee training d. Engineering controls - answera. Noise hazard signage The OSHA Noise Standard and Hearing Conservation Amendment is: a. 26 CFR 1900.25 b. 29 CFR 1910.95 c. 29 CFR 1900.25 d. 26 CFR 1910.95 - answerb. 29 CFR 1910.95 Which of the following is the first thing that should be accomplished in a Hearing Conservation Program? a. Perform required record keeping b. Determine analysis of program to determine how effective c. Mandate the use of hearing protection d. Perform a noise hazard assessment - answerd. Perform a noise hazard assessment A sound's frequency is perceived subjectively as: a. loudness b. noise c. pitch d. wavelength e. none of the above - answerc. pitch The human range of hearing frequencies is: a. 20 Hz to 8000 Hz b. 250 Hz to 4000 Hz c. 500 Hz to 4000 Hz d. 20 Hz to 20000 Hz - answerd. 20 Hz to 20000Hz A decibel (dB) is the unit of measure