CAOHC Exam Questions with Correct Answers

CAOHC Exam Questions with Correct Answers OHC, CD, PS - answerOcc Hearing Conservationists, Course Directors, Prof Supv How many CAOHC organizations - answer9 CAOHC Mission - answerPromote hearing loss prevention by enhancing the quality of occ hearing loss prevention practices How often CAOHC certification - answer5 years Can OHC's diagnose hearing loss? - answerNo NIHL Definition - answerNoise induced hearing loss Effects of noise: AUDITORY - answerHearing loss caused by direct effects to the ear; actual physical abuse. effects of hearing loss - answerGroup activities not as fun People talk down to you +stress Confusion, impatience Loss of self confidence Early signs of NIHL - answerTinnitus Blocked/stuffy sensation Difficulty understanding conversations Loud TV What frequencies are affected 1st with NIHL - answerHigher frequencies. Audiometric notch at 4,000Hz What dB is considered hazardous? - answer85dB What are the primary determiners of hearing damage? - answerDuration and intensity; how long exposed, how loud exposed What workforce has highest NIHL? - answerManufacturing