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CAOHC TEST QUESTIONS AND ANSWERS 2025
What is the purpose of the OHC? - .....ANSWER
...✔✔ 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? -
.....ANSWER ...✔✔ NIOSH refers to research and
recoomendations. OSHA regulates and implements.
What are examples of auditory effects on hearing and
damage risks? - .....ANSWER ...✔✔ Tinnitus and
hearing loss
What are non auditory effects on hearing and damage
risks? - .....ANSWER ...✔✔ Stress, high blood pressure
What are potential sources of hazardous noise in
occupational work settings? - .....ANSWER ...✔✔
Machinery, constructino, railoroads and equipment,
mining, manufacturing, farming, professional musician
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What are potential sources of hazardous noise in non
occupational work settings? - .....ANSWER ...✔✔
Motorcycles, sporting guns, carpentry equipment, lawn
equipment, personal listening devices
What are some of the lasting effects of noise induced
hearing loss? - .....ANSWER ...✔✔ Social withdrawal,
frustration, anger, and effects on private life
What are the "do's" of an OHC (hearing tech)? -
.....ANSWER ...✔✔ Education, fitting hearing
protection, hearing test, and counciling
What are the don'ts of an OHC (hearing tech)? -
.....ANSWER ...✔✔ Diagnose, supervise
Who can be Professional Supervisors? - .....ANSWER
...✔✔ Audiologists and physicians
How many workers are exposed to hazardous noise on
the job? - .....ANSWER ...✔✔ 22 million plus
CAOHC TEST QUESTIONS AND ANSWERS 2025
What is the purpose of the OHC? - .....ANSWER
...✔✔ 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? -
.....ANSWER ...✔✔ NIOSH refers to research and
recoomendations. OSHA regulates and implements.
What are examples of auditory effects on hearing and
damage risks? - .....ANSWER ...✔✔ Tinnitus and
hearing loss
What are non auditory effects on hearing and damage
risks? - .....ANSWER ...✔✔ Stress, high blood pressure
What are potential sources of hazardous noise in
occupational work settings? - .....ANSWER ...✔✔
Machinery, constructino, railoroads and equipment,
mining, manufacturing, farming, professional musician
, 2|Page
What are potential sources of hazardous noise in non
occupational work settings? - .....ANSWER ...✔✔
Motorcycles, sporting guns, carpentry equipment, lawn
equipment, personal listening devices
What are some of the lasting effects of noise induced
hearing loss? - .....ANSWER ...✔✔ Social withdrawal,
frustration, anger, and effects on private life
What are the "do's" of an OHC (hearing tech)? -
.....ANSWER ...✔✔ Education, fitting hearing
protection, hearing test, and counciling
What are the don'ts of an OHC (hearing tech)? -
.....ANSWER ...✔✔ Diagnose, supervise
Who can be Professional Supervisors? - .....ANSWER
...✔✔ Audiologists and physicians
How many workers are exposed to hazardous noise on
the job? - .....ANSWER ...✔✔ 22 million plus
