Caohc exam 2024 Study guides, Class notes & Summaries
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CAOHC EXAM 2024 WITH 100% CORRECT ANSWERS
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NIHL (Noise Induced Hearing Loss) Answer- 22 - 28 million US workers exposed to harmful levels of noise. Manufacturing accounts for most . 
 
Noise exposure Answer- major cause of tinnitus. 
 
Tinnitus Answer- is usually a high pitched sound that person hears, others usually cannot hear. Major warning sign of NIHL. 
 
What are the auditory effects of noise (NIHL)? Answer- - hearing loss, high freq, usually bilateral, 1st seen at 3kHz-6kHz 
- tinnitus 
- communication interference, backgound nois...
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CAOHC exam 2024 with 100% correct answers
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Manufacturing Answer - Which occupational sector accounts for the highest incidence of noise-induced hearing loss? 
 
Tinnitus Answer - A buzzing or ringing in the ears is known as 
 
Three Answer - Noise exposures are considered likely to be harmful if shouting is required in order to communicate to a person __________ feet away 
 
Painless, Progressive, Permanent, Preventable Answer - What are the four P's of Noise-Induced Hearing Loss 
 
140 dBP Answer - Impulse noise becomes hazardous at 
 ...
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CAOHC EXAM 2024 WITH 100% CORRECT ANSWERS
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What does CAOHC stand for? Answer - Council for the Accreditation in Occupational Hearing Conservation 
 
Main role of CAOHC Answer - To certify and train Occupational Hearing Conservationists (OHC) 
 
OHCS must be recertified within ________ years of initial certification. Answer - Five 
 
Tinnitus Answer - Technical term for ringing or other noises in the ears. 
 
Interference with communication, degraded job performance, stress and annoyance/fatigue Answer - Problems caused by noise in additi...
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CAOHC EXAM QUESTIONS WITH 100% CORRECT ANSWERS | VERIFIED | UPDATED 2024
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CAOHC EXAM QUESTIONS WITH 100% CORRECT ANSWERS | VERIFIED | UPDATED 2024
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CAOHC Exam Questions with Verified Answers Latest Update 2024/2025 (100% Solved)
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CAOHC Exam Questions with Verified Answers Latest Update 2024/2025 (100% Solved) Tinnitus - ANSWER is usually a high pitched sound that person hears, others 
usually cannot hear. Major warning sign of NIHL. 
What are the auditory effects of noise (NIHL)? - ANSWER - hearing loss, high 
freq, usually bilateral, 1st seen at 3kHz-6kHz 
- tinnitus 
- communication interference, backgound noise in loud room, causes difficulty 
hearing 
- damage to Inner Ear/COCHLEA, permanent and progressive. 
What ar...
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CAOHC Exam Prep 155 Questions and Answers 2024
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CAOHC Exam Prep 155 Questions and Answers 2024
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CAOHC Exam Study Guide, Exam Questions With 100% Correct Answers Updated 2024/2025 (Graded)
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CAOHC Exam Study Guide, Exam Questions With 100% Correct Answers Updated 2024/2025 (Graded) Unit of measurement for intensity (loudness) - 
answers-Decibel (dB) 
Risk of damage from noise - answers-How loud 
(intensity) and how long (duration) 
Steady-state or continuous noise, e.g. generator - 
answers-Lasts 1 second or longer 
Impulse or Impact noise, e.g. gunfire or nail gun - 
answers-Lasts less than one second 
Parts of the outer ear - answers-Pinna and external 
auditory canal 
Parts of th...
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CAOHC EXAM QUESTIONS WITH CORRECT ANSWERS LATEST UPDATED 2024/2025 (100% VERIFIED)
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CAOHC EXAM QUESTIONS WITH CORRECT ANSWERS LATEST UPDATED 2024/2025 (100% VERIFIED) What is the difference between the requiremtns of 
OSHA and the recommendations of NIOSH? - answersNIOSH refers to research and recoomendations. OSHA 
regulates and implements. 
What are examples of auditory effects on hearing and 
damage risks? - answers-Tinnitus and hearing loss 
What are non auditory effects on hearing and damage 
risks? - answers-Stress, high blood pressure 
What are potential sources of hazar...
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CAOHC Exam Prep With 100% Correct Answers 2024
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CAOHC Exam Prep With 100% Correct Answers 2024
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CAOHC Exam Study Guide – Questions With 100% Correct Answers Updated 2024/2025 (GRADED)
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CAOHC Exam Study Guide – Questions With 100% Correct Answers Updated 2024/2025 (GRADED) Unit of measurement for frequency (pitch) - answersHertz (Hz) 
Unit of measurement for intensity (loudness) - 
answers-Decibel (dB) 
Risk of damage from noise - answers-How loud 
(intensity) and how long (duration) 
Steady-state or continuous noise, e.g. generator - 
answers-Lasts 1 second or longer 
Impulse or Impact noise, e.g. gunfire or nail gun - 
answers-Lasts less than one second 
Parts of the outer ...
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