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CAOHC CERTIFICATION QUESTIONS WITH 100% CORRECT ANSWER
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CAOHC CERTIFICATION QUESTIONS WITH 100% CORRECT ANSWER CAOHC CERTIFICATION QUESTIONS WITH 100% CORRECT ANSWER
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CAOHC CERTIFICATION 2024-2025 QUESTIONSWITH 100% CORRECT ANSWER
What does CAOHC stand for? - CORRECT ANSWER Council for Accreditation
in Occupational Hearing Conservation
Who is the certification body for? - CORRECT ANSWER Occupational Hearing
Conservationist (OHCs)
Course Directors (CDs)
Professional Supervisors (PSs)
What is CAOHCs mission? - CORRECT ANSWER To promote hearing loss
prevention by enhancing the quality of occupational hearing loss prevention
practices, with a focus on:
Providing OHCs: resources and guidance to facilitate the practice of hearing loss
prevention through standardized training and credentialing
Providing CDs: training resources, curriculum oversight, and professional support
to assist in ensuring the competence of OHC's
What does CAOHC do? - CORRECT ANSWER Promote BEST PRACTICES in
occupational hearing conservation
,CAOHC CERTIFICATION 2024-2025 QUESTIONS
WITH 100% CORRECT ANSWER
What is a CAOHC certified student? - CORRECT ANSWER Certified
occupational hearing conservationist (COHC)
How long does a COHC certification last? - CORRECT ANSWER 5 years
What are the two effects of noise? - CORRECT ANSWER Auditory
Non-auditory
Defined auditory - CORRECT ANSWER Direct effects to the ear
What are some examples of auditory effects? - CORRECT ANSWER 1. Noise
induced hearing loss (NIHL)
2. Tinnitus (ringing in the ear)
3. Hyperacusis (high sensitivity to noise; lower tolerance for loud sounds)
4. Communication interference
,CAOHC CERTIFICATION 2024-2025 QUESTIONS
WITH 100% CORRECT ANSWER
Define non-auditory - CORRECT ANSWER Other physiological and
psychological effects
What are some examples of non-auditory effects? - CORRECT ANSWER 1.
Hypertension
2. Cognitive decline
3. Stress
4. Isolation, Social withdrawal, frustration
5. Sleep disturbances
6. Degraded work performance
What are some early signs of noise induced hearing loss? - CORRECT ANSWER
1. Difficulty understanding conversations (particularly in background noise)
2. Ringing or buzzing in the ears (tinnitus)
, CAOHC CERTIFICATION 2024-2025 QUESTIONS
WITH 100% CORRECT ANSWER
What are some characteristics of noise induced hearing loss? - CORRECT
ANSWER 1. Usually bilateral, always sensorineural
2. Typically affects high frequencies first; audiometric "notch" at 4000Hz
3. Primary determiners of damage are duration and intensity of sound
4. Temporary hearing threshold shifts (TTS) become permanent threshold shifts
(PTS)
Name two sources of hazardous noise - CORRECT ANSWER 1. Occupational
noise exposure
2. Non-occupational noise exposure
What is the most common occupational illness and second most self reported
occupational illness for American workers? - CORRECT ANSWER Noise
induced hearing loss (NIHL)
What occupation has the highest percentage of noise induced hearing loss? -
CORRECT ANSWER Manufacturing
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