CAOHC Certification Exam Questions and
Answers | Verified
/.What does CAOHC stand for? - Answer-Council for Accreditation in
Occupational Hearing Conservation
/.Who is the certification body for? - Answer-Occupational Hearing
Conservationist (OHCs)
Course Directors (CDs)
Professional Supervisors (PSs)
/.What is CAOHCs mission? - 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? - Answer-Promote BEST PRACTICES in
occupational hearing conservation
/.What is a CAOHC certified student? - Answer-Certified occupational
hearing conservationist (COHC)
/.How long does a COHC certification last? - Answer-5 years
/.What are the two effects of noise? - Answer-Auditory
Non-auditory
/.Defined auditory - Answer-Direct effects to the ear
/.What are some examples of auditory effects? - 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
/.Define non-auditory - Answer-Other physiological and psychological
effects
/.What are some examples of non-auditory effects? - 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? - Answer-
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? -
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 - Answer-1. Occupational
noise exposure
Answers | Verified
/.What does CAOHC stand for? - Answer-Council for Accreditation in
Occupational Hearing Conservation
/.Who is the certification body for? - Answer-Occupational Hearing
Conservationist (OHCs)
Course Directors (CDs)
Professional Supervisors (PSs)
/.What is CAOHCs mission? - 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? - Answer-Promote BEST PRACTICES in
occupational hearing conservation
/.What is a CAOHC certified student? - Answer-Certified occupational
hearing conservationist (COHC)
/.How long does a COHC certification last? - Answer-5 years
/.What are the two effects of noise? - Answer-Auditory
Non-auditory
/.Defined auditory - Answer-Direct effects to the ear
/.What are some examples of auditory effects? - 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
/.Define non-auditory - Answer-Other physiological and psychological
effects
/.What are some examples of non-auditory effects? - 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? - Answer-
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? -
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 - Answer-1. Occupational
noise exposure
