1
CAOHC ACTUAL 2025/2026 QUESTIONS
AND 100% CORRECT ANSWERS
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
What are potential sources of hazardous noise in non occupational work settings?
- (ANSWER)Motorcycles, sporting guns, carpentry equipment, lawn equipment,
personal listening devices
, 2
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
What occupational population is most at risk for noise induced hearing loss which
highest amount of claims? - (ANSWER)Manufacturing accounts for approximately
14% of U.S workforce but accounts for approximately 80% of incidence of NIHL.
Collects sound waves, localizes sounds waves, protects middle ear components
and provides resonate amplication is the function of what part of the ear? -
(ANSWER)Outer ear
Acoustic transformer, impedance matching system, provides pressue
equalization, and protects the inner ear is the function of what part of the ear? -
(ANSWER)Middle ear
CAOHC ACTUAL 2025/2026 QUESTIONS
AND 100% CORRECT ANSWERS
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
What are potential sources of hazardous noise in non occupational work settings?
- (ANSWER)Motorcycles, sporting guns, carpentry equipment, lawn equipment,
personal listening devices
, 2
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
What occupational population is most at risk for noise induced hearing loss which
highest amount of claims? - (ANSWER)Manufacturing accounts for approximately
14% of U.S workforce but accounts for approximately 80% of incidence of NIHL.
Collects sound waves, localizes sounds waves, protects middle ear components
and provides resonate amplication is the function of what part of the ear? -
(ANSWER)Outer ear
Acoustic transformer, impedance matching system, provides pressue
equalization, and protects the inner ear is the function of what part of the ear? -
(ANSWER)Middle ear
