CAOHC Study guides, Class notes & Summaries

CAOHC Test Exam Questions with Correct Answers What is the purpose of the OHC? - answerProviding resources and guidance to facilitate the practice of hearing loss prevention through standardized training and credentialing What is the difference between the requiremtns of OSHA and the recommendations of NIOSH? - answerNIOSH refers to research and recoomendations. OSHA regulates and implements. What are examples of auditory effects on hearing and damage risks? - answerTinnitus and hearing l...

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 ...

CAOHC Exam Study Guide – Questions With 100% Correct Answers Updated 2024/2025. 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 ear - an...

CAOHC Test Questions with All Correct Answers (1) Unprotecting noise exposure can cause the following types of hearing loss - Answer- SENSORINEURAL The range of human speech IS - Answer-250 HZ-4000HZ What is the cause of conductive hearing loss - Answer-Cerumen impaction the audiometer use for industrial hearing testing is - Answer-Pure - tone air conduction Identify the correct starting settings on an audiometer for testing. - Answer-0 db and 1000HZ When testing the correct pr...

CAOHC Study Questions with Correct Answers (1) Elements of a Hearing Conservation Program - Answer-1. Noise Measurement 2. Engineering and administratice controls 3. Monitoring Audiometry 4. Hearing Protection 5. Employee Training 6. RecordKeeping 7. Progeam Evaluation Compression - Answer-Area of high pressure Rarefaction - Answer-Low pressure stage 3 primary parameter of sound - Answer-1. Frequency 2. Intensity 3. Temporal characteristics Frequency - Answer-= Pitch = Hertz...

CAOHC Study Guide Questions and Answers All Correct (1) 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...

CAOHC Practice Test Questions with Answers (1) CAOHC's primary objective? - Answer-train and certify OHCs and CDs CAOHC recert? - Answer-Every 5 years sector with highest occupational hearing loss - Answer-manufacturing noise notch happens where - Answer-4000 Hz early signs of noise induced hearing loss? - Answer-tinnitus, trouble w/ bg noise, relying on visual cues AL and PEL? - Answer-85 dBA and 90 dBA What are elements of hearing conservation program? - Answer-Audiometric ...

CAOHC Exam Study Questions and Answers All Correct (1) Unit of measurement for frequency (pitch) - Answer-Hertz (Hz) Unit of measurement for intensity (loudness) - Answer-Decibel (dB) Risk of damage from noise - Answer-How loud (intensity) and how long (duration) Steady-state or continuous noise, e.g. generator - Answer-Lasts 1 second or longer Impulse or Impact noise, e.g. gunfire or nail gun - Answer-Lasts less than one second Parts of the outer ear - Answer-Pinna and externa...

CAOHC Exam Questions with Correct Answers (1) OSHA TREANING REQUIREMENTS - Answer-MANDATORY PROGRAM FOR EMPLYEES WITH NOISE EXPOSURE +85DBA/ EMPLOYER MUST ENSURE PARTICIPATION OSHA REQUIREMENT - Answer-PERSONAL HEARING PROTECTORS ATTENUATION (NRR CONSEPT AND CALCULATION) AUDIOMETRICS TESTING PURPOSES, EFFECTS OF NOISE HEARING IDEALLY TRAINING SHOULD - Answer-COMPANY SPECIFIC-SHOWCASING EMPLOYEE AND WORK AREA RELEVANT, APPLICABLE, CURRENT, ENGANING,DIFERRENT FROM LAST YEARIS TO MOTIVAT...

CAOHC Exam Questions with All Correct Answers (1) What is the mission of CAOHC? - Answer--promote best practices in hearing conservation worldwide and promote HL prevention thru training, guidance and support What are the professional disciplines represented on CAOHC? - Answer-OHC's, CD's, PS's Who are the people that work w OHC? - Answer--occupational health nurse, audiologist, noise control engineer, physician, safety and health specialist, company management What are the elements o...

1. hertz is a unit of:: sound frequency 2. decibel is a unit of:: sound intensity 3. the frequency of sound is perceived as::  pitch 4. what is the first thing you should do when fitting earplugs?: a. pull the top ofthe ear to align the ear canal b. roll the earplug down into a tight, crease-free cylinder c. CHECK THE EAR CANAL FOR ANY OCCLUSIONS d. insert the earplug deep into the ear canal 5. hearing tests do not have to be conducted in a sound booth...