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 Prep Questions with 100% correct Answers Latest Updated (Solved) hertz is a unit of: - answers-sound frequency decibel is a unit of: - answers-sound intensity the frequency of sound is perceived as: - answers-pitch what is the first thing you should do when fitting earplugs? - answers-a. pull the top of the 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 c...

CAOHC EXAM QUESTIONS WITH 100% CORRECT ANSWERS LATEST UPDATED (100% SOLVED) What is the purpose of the OHC? - answers-Providing 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? - answersNIOSH refers to research and recoomendations. OSHA regulates and implements. What are examples of auditory effects on hearing and damage ris...

CAOHC Exam Questions with Answers Latest Update (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 are the non-auditory...

What type of tone is employed in audiometry? A. Complex B. Pure C. Basal D. Harmonic E. None of the above - Answer-B. Pure What factors should be considered when selecting hearing protectors A. Comfort B. Ease of use C. Attenuation amount D. Communication requirements E. All of the above - Answer-E. All of the above When determining a threshold, a positive response should be followed by lowering the hearing level 5 dB. A. True B. False - Answer-B. False The method f...

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 procedure to follow is - Answer-Down by 10 DB, up by 5DB...

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 ...

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 external auditory canal Parts of the middle ear - Answer-Tympa...

hertz is a unit of: - Answer-sound frequency decibel is a unit of: - Answer-sound intensity the frequency of sound is perceived as: - Answer-pitch what is the first thing you should do when fitting earplugs? - Answer-a. pull the top of the 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 hearing tests do not have to be conducted in a sound booth as long as ...

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 external auditory canal Parts of the middle ear - Answer-Tympa...

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 motivate employee to ghange behaviors Quality traini...