CAOHC Bold Items Exam Questions with Correct Answers

CAOHC Bold Items Exam Questions with Correct Answers What does CAOHC stand for? - answerCouncil for the Accreditation in Occupational Hearing Conservation Main role of CAOHC - answerTo certify and train Occupational Hearing Conservationists (OHC) OHCS must be recertified within ________ years of initial certification. - answerFive Tinnitus - answerTechnical term for ringing or other noises in the ears. Interference with communication, degraded job performance, stress and annoyance/fatigue - answerProblems caused by noise in addition to hearing loss When is the best time to perform a baseline audiogram? - answer14 hours away from noise exposure, preferably before starting work. When is the best time to perform an annual audiogram? - answerWell into the work shift, near the end of the day. In what part of the auditory system does a sensorinerual hearing loss occur in? - answerThe inner ear or cochlea or the nerve of hearing Besides noise, one of the most frequent contributors to sensorineural hearing loss is: - answerPresbycusis or the hearing loss from aging The aspect of sound that is perceived as loudness is called _______ and is quantified in terms of _______. - answerIntensity; Decibels A sound's frequency is perceived by the ear as _____ and quantified in terms of _____. - answerPitch; Hertz The logarithmic average sound exposure level normalized to an 8-hour workday is called the: - answerTime Weighted Average exposure level (TWA) The relationship between level and duration of an allowable noise exposure is called: - answerThe Exchange Rate