CAOHC CERTIFICATION EXAM
2024\2025
CAOHC CERTIFICATION EXAM 2024\2025 WITH GUARANTEED ACCURATE
ANSWERS |VERIFIED
What does CAOHC stand for? - ACCURATE ANSWERS✔✔ Council
for Accreditation in Occupational Hearing Conservation
Who is the certification body for? - ACCURATE ANSWERS✔✔
Occupational Hearing Conservationist (OHCs)
Course Directors (CDs)
Professional Supervisors (PSs)
,What is CAOHCs mission? - ACCURATE ANSWERS✔✔ 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? - ACCURATE ANSWERS✔✔ Promote BEST
PRACTICES in occupational hearing conservation
What is a CAOHC certified student? - ACCURATE ANSWERS✔✔
Certified occupational hearing conservationist (COHC)
How long does a COHC certification last? - ACCURATE
ANSWERS✔✔ 5 years
What are the two effects of noise? - ACCURATE ANSWERS✔✔
Auditory
Non-auditory
Defined auditory - ACCURATE ANSWERS✔✔ Direct effects to the ear
,What are some examples of auditory effects? - ACCURATE
ANSWERS✔✔ 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
Define non-auditory - ACCURATE ANSWERS✔✔ Other physiological
and psychological effects
What are some examples of non-auditory effects? - ACCURATE
ANSWERS✔✔ 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? - ACCURATE
ANSWERS✔✔ 1. Difficulty understanding conversations (particularly
in background noise)
2. Ringing or buzzing in the ears (tinnitus)
What are some characteristics of noise induced hearing loss? -
ACCURATE ANSWERS✔✔ 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 - ACCURATE ANSWERS✔✔ 1.
Occupational noise exposure
2. Non-occupational noise exposure
2024\2025
CAOHC CERTIFICATION EXAM 2024\2025 WITH GUARANTEED ACCURATE
ANSWERS |VERIFIED
What does CAOHC stand for? - ACCURATE ANSWERS✔✔ Council
for Accreditation in Occupational Hearing Conservation
Who is the certification body for? - ACCURATE ANSWERS✔✔
Occupational Hearing Conservationist (OHCs)
Course Directors (CDs)
Professional Supervisors (PSs)
,What is CAOHCs mission? - ACCURATE ANSWERS✔✔ 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? - ACCURATE ANSWERS✔✔ Promote BEST
PRACTICES in occupational hearing conservation
What is a CAOHC certified student? - ACCURATE ANSWERS✔✔
Certified occupational hearing conservationist (COHC)
How long does a COHC certification last? - ACCURATE
ANSWERS✔✔ 5 years
What are the two effects of noise? - ACCURATE ANSWERS✔✔
Auditory
Non-auditory
Defined auditory - ACCURATE ANSWERS✔✔ Direct effects to the ear
,What are some examples of auditory effects? - ACCURATE
ANSWERS✔✔ 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
Define non-auditory - ACCURATE ANSWERS✔✔ Other physiological
and psychological effects
What are some examples of non-auditory effects? - ACCURATE
ANSWERS✔✔ 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? - ACCURATE
ANSWERS✔✔ 1. Difficulty understanding conversations (particularly
in background noise)
2. Ringing or buzzing in the ears (tinnitus)
What are some characteristics of noise induced hearing loss? -
ACCURATE ANSWERS✔✔ 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 - ACCURATE ANSWERS✔✔ 1.
Occupational noise exposure
2. Non-occupational noise exposure
