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CAOHC Study Guide 12/2023 /115 Complete Questions And Answers Graded (A+)
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CAOHC Study Guide 12/2023 /115 CompleteQuestions And Answers Graded (A+)
Quiz :NIHL (Noise Induced Hearing Loss) - Answer :22 - 28 million US workers
exposed to harmful levels of noise. Manufacturing accounts for most .
Quiz :Noise exposure - Answer :major cause of tinnitus.
Quiz :Tinnitus - Answer :is usually a high pitched sound that person hears,
others usually cannot hear. Major warning sign of NIHL.
Quiz :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.
Quiz :What are the non-auditory effects of noise? - Answer :- effects job
performance
- irritability
- trouble sleeping
- concentration
- increased BP & pulse.
Quiz :What are the lasting effects of NIHL (noise induced hearing loss) -
Answer :Lasting effects of NIHL: High frequency hrg loss/damage to the Inner
Ear- Cochlea. Usually has tinnitus, has difficulty understanding speech
especially in noisy situations, social withdrawal, depression, effect on private
life.
Quiz :At which level(s) does NIHL (noise induced hearing loss) first appear? -
Answer :- appears somewhere between 3kHz and 6kHz
- you see a Noise "notch" on the audiogram and with further exposure
- the notch deepens and widens because it progresses.
Quiz :What is seen on an audiogram between 3kHz and 6kHz that gets deeper
and wider as it progresses due to further exposure? - Answer :noise "notch"
, Quiz :What is CAOHC? - Answer :Council for Accreditation in Occupational
Hearing Conservation formed in the mid 1960's.
Quiz :What is CAOHC PRIMARY role? - Answer :- provides
resources/guidance/training to OHCs (Occupational Health Conservationist)
- facilitates practice of hearing loss prevention through standardized training
- provides training to CDs and PSs.
Quiz :Which organizations or disciplines are on the CAOHC council? -
Answer :CAOHC consists of 2 Reps from each organization;
-There are 9 organizations:
1. American Academy of Otolarygology-Head and Neck Surgery
2. American Academy of Audiology;
3. American Association of OHNs;
4. American Coll. of Occupational and Environmental Medicine;
5. American Industrial Hygiene;
6. American Society of Safety Engineers;
7. American Speech-Language-Hearing Association;
8. Institute of Noise Control Engineering;
9. Military Audiology Association
Quiz :Role of OHC - Answer :-can do audiometric pure tone air conduction
only
Quiz :Role of Audiologist - Answer :
Quiz :Role of Nurse - Answer :
Quiz :Role of Physician/Audologist - Answer :- serves as PS
- must supervise audio monitoring of HCP
- can also be the HCP Mgr but does not have to be
Quiz :Role of Safety Engineer - Answer :
Quiz :Role of IH (Industrial Hearing) - Answer :
Quiz :Role of Management - Answer :
Quiz :What is the Hearing Conservation Law/Amendment - Answer :The
Regulation is CFR 1910.95.
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