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CAOHC test questions with solution
1.What is the purpose of the OHC?: Providing resources and guidance to facilitate the practice of
hearing loss prevention through standardized training and credential- ing
2.What is the difference between the requirements of OSHA and the recom- mendations of NIOSH?:
NIOSH refers to research and recommendations. OSHA regulates and implements.
3.What are examples of auditory effects on hearing and damage risks?: Tin- nitus and hearing loss
4.What are non auditory effects on hearing and damage risks?: Stress, high blood pressure
5.What are potential sources of hazardous noise in occupational work set- tings?: Machinery,
constructino, railoroads and equipment, mining, manufacturing, farming, professional musician
6.What are potential sources of hazardous noise in non occupational work settings?: Motorcycles,
sporting guns, carpentry equipment, lawn equipment, per- sonal listening devices
7.What are some of the lasting effects of noise induced hearing loss?: Social withdrawal,
frustration, anger, and effects on private life
8.What are the "do's" of an OHC (hearing tech)?: Education, fitting hearing protection,
hearing test, and counciling
9.What are the don'ts of an OHC (hearing tech)?: Diagnose, supervise
10.Who can be Professional Supervisors?: Audiologists and physicians
11.How many workers are exposed to hazardous noise on the job?: 22 million plus
12.What occupational population is most at risk for noise induced hearing loss which highest
amount of claims?: Manufacturing accounts for approximately 14% of U.S workforce but accounts
for approximately 80% of incidence of NIHL.
