CAOHC Certification study guide UPDATED ACTUAL Questions and CORRECT
Answers
Largest industry that OSHA estimates exposes 5.2 Million
Manufacturing
workers to average noise levels of 85DB and above
Council for Accreditation in Occupational Hearing Conser-
what does C.A.O.H.C. stand for?
vation
What is the CAOHC main role? to certify and train occupational hearing conservationists
Who is responsible for the care and maintenance of the
OHC
audiometer
What is the OHC not responsible for? the diagnosis of hearing problems
To maintain their certification, how often must OHCS be
5 years from initial certification
recertified?
noise-induced hearing loss be reversed by
cannot
medical treatment.
What is impulse or impact noise defined as? Sudden, Loud noise from gunfire or metal stamping
Agents besides noise that are toxic to the ear are known
ototoxins
as
Agents besides noise that are toxic to the ear, especially
Heavy metals, organic solvents or asphyxiants
when they are combined with noise exposure are:
TTS means Temporary threshold shift
The OHC needs to catch why type of hearing losses before
TTS (temporary threshold shifts)
they become a permanent sensorineural hearing loss
Technical term for ringing or other noises in the ears is
Tinnitus
known as...
Tinnitus is a warning signal of noise induced hearing loss
Hair cell damage or fatigue
due to :
-Social isolation/depression
-Interference with communication
, -Degraded job performance
Answers
Largest industry that OSHA estimates exposes 5.2 Million
Manufacturing
workers to average noise levels of 85DB and above
Council for Accreditation in Occupational Hearing Conser-
what does C.A.O.H.C. stand for?
vation
What is the CAOHC main role? to certify and train occupational hearing conservationists
Who is responsible for the care and maintenance of the
OHC
audiometer
What is the OHC not responsible for? the diagnosis of hearing problems
To maintain their certification, how often must OHCS be
5 years from initial certification
recertified?
noise-induced hearing loss be reversed by
cannot
medical treatment.
What is impulse or impact noise defined as? Sudden, Loud noise from gunfire or metal stamping
Agents besides noise that are toxic to the ear are known
ototoxins
as
Agents besides noise that are toxic to the ear, especially
Heavy metals, organic solvents or asphyxiants
when they are combined with noise exposure are:
TTS means Temporary threshold shift
The OHC needs to catch why type of hearing losses before
TTS (temporary threshold shifts)
they become a permanent sensorineural hearing loss
Technical term for ringing or other noises in the ears is
Tinnitus
known as...
Tinnitus is a warning signal of noise induced hearing loss
Hair cell damage or fatigue
due to :
-Social isolation/depression
-Interference with communication
, -Degraded job performance
