CAOHC Certification study guide || with Error-free Answers.
Largest industry that OSHA estimates exposes 5.2 Million workers to average noise levels of
85DB and above correct answers Manufacturing
what does C.A.O.H.C. stand for? correct answers Council for Accreditation in Occupational
Hearing Conservation
What is the CAOHC main role? correct answers to certify and train occupational hearing
conservationists
Who is responsible for the care and maintenance of the audiometer correct answers OHC
What is the OHC not responsible for? correct answers the diagnosis of hearing problems
To maintain their certification, how often must OHCS be recertified? correct answers 5 years
from initial certification
noise-induced hearing loss ___________ be reversed by medical treatment. correct answers
cannot
What is impulse or impact noise defined as? correct answers Sudden, Loud noise from gunfire or
metal stamping
Agents besides noise that are toxic to the ear are known as correct answers ototoxins
Agents besides noise that are toxic to the ear, especially when they are combined with noise
exposure are: correct answers Heavy metals, organic solvents or asphyxiants
,TTS means correct answers Temporary threshold shift
The OHC needs to catch why type of hearing losses before they become a permanent
sensorineural hearing loss correct answers TTS (temporary threshold shifts)
Technical term for ringing or other noises in the ears is known as... correct answers Tinnitus
Tinnitus is a warning signal of noise induced hearing loss due to : correct answers Hair cell
damage or fatigue
NON-AUDITORY EFFECTS OF HEARING LOSS: correct answers -Social
isolation/depression
-Interference with communication
-Degraded job performance
- Stress
-Annoyance
-Fatigue
When is the best time to perform a baseline audiogram? correct answers 14 hours away from
noise (preferably pre-employment)
When is the best time to perform an annual audiogram? correct answers Near the end of the work
day or well into work shift
What is an audiogram? correct answers A chart in which hearing threshold levels are plotted
POTENTIAL BENEFITS TO THE COMPANY MANAGEMENT OF A GOOD HEARING
CONSERVATION
PROGRAM: correct answers -BETTER LABOR MANAGEMENT RELATIONS
, -IMPROVED EMPLOYEE MORALE
-GREATER JOB SATISFACTION
-PRODUCTIVITY AND SAFETY
-REDUCTION IN ACCIDENTS
-ILLNESSES AND LOST TIME
NAME DIFFERENT TYPES OF PROFESSIONALS TO MAKE UP THE HEARING
CONSERVATION TEAM: (7 total) correct answers 1. Occupational health nurse
2. Occupational physician
3. Audiologist
4.Safety Specialist
5. Industrial Hygienist
6.Otolaryngoloist
7. Noise control engineer
THE REQUIRED STANDARD AUDIOMETRIC FREQUENCIES MEASURED BY OHCS
ARE: correct answers 500 (.5), 1000 (1), 2000(2), 3000(3), 4000(4) AND 6000(6); 8000 (8) IS
HIGHLY RECOMMENEDED BUT NOT REQUIRED
STANDARD AUDIOMETRIC FREQUENCIES WHEN BEGINNING A HEARING TEST:
correct answers START HEARING TEST AT 1000 HZ IN THE FIRST EAR AT 40 DB OF
LOUDNESS. FOR THE SECOND EAR, YOU START THE TEST AT 500 HZ.
True or False: THE OHC MAY NOT PERFORM SPEECH AUDIOMETRY, MASKIN, BONE
CONDUCTION, ABRS, OAES correct answers TRUE
THE OUTERMOST PART OF THE EAR IS CALLED correct answers pinna
Largest industry that OSHA estimates exposes 5.2 Million workers to average noise levels of
85DB and above correct answers Manufacturing
what does C.A.O.H.C. stand for? correct answers Council for Accreditation in Occupational
Hearing Conservation
What is the CAOHC main role? correct answers to certify and train occupational hearing
conservationists
Who is responsible for the care and maintenance of the audiometer correct answers OHC
What is the OHC not responsible for? correct answers the diagnosis of hearing problems
To maintain their certification, how often must OHCS be recertified? correct answers 5 years
from initial certification
noise-induced hearing loss ___________ be reversed by medical treatment. correct answers
cannot
What is impulse or impact noise defined as? correct answers Sudden, Loud noise from gunfire or
metal stamping
Agents besides noise that are toxic to the ear are known as correct answers ototoxins
Agents besides noise that are toxic to the ear, especially when they are combined with noise
exposure are: correct answers Heavy metals, organic solvents or asphyxiants
,TTS means correct answers Temporary threshold shift
The OHC needs to catch why type of hearing losses before they become a permanent
sensorineural hearing loss correct answers TTS (temporary threshold shifts)
Technical term for ringing or other noises in the ears is known as... correct answers Tinnitus
Tinnitus is a warning signal of noise induced hearing loss due to : correct answers Hair cell
damage or fatigue
NON-AUDITORY EFFECTS OF HEARING LOSS: correct answers -Social
isolation/depression
-Interference with communication
-Degraded job performance
- Stress
-Annoyance
-Fatigue
When is the best time to perform a baseline audiogram? correct answers 14 hours away from
noise (preferably pre-employment)
When is the best time to perform an annual audiogram? correct answers Near the end of the work
day or well into work shift
What is an audiogram? correct answers A chart in which hearing threshold levels are plotted
POTENTIAL BENEFITS TO THE COMPANY MANAGEMENT OF A GOOD HEARING
CONSERVATION
PROGRAM: correct answers -BETTER LABOR MANAGEMENT RELATIONS
, -IMPROVED EMPLOYEE MORALE
-GREATER JOB SATISFACTION
-PRODUCTIVITY AND SAFETY
-REDUCTION IN ACCIDENTS
-ILLNESSES AND LOST TIME
NAME DIFFERENT TYPES OF PROFESSIONALS TO MAKE UP THE HEARING
CONSERVATION TEAM: (7 total) correct answers 1. Occupational health nurse
2. Occupational physician
3. Audiologist
4.Safety Specialist
5. Industrial Hygienist
6.Otolaryngoloist
7. Noise control engineer
THE REQUIRED STANDARD AUDIOMETRIC FREQUENCIES MEASURED BY OHCS
ARE: correct answers 500 (.5), 1000 (1), 2000(2), 3000(3), 4000(4) AND 6000(6); 8000 (8) IS
HIGHLY RECOMMENEDED BUT NOT REQUIRED
STANDARD AUDIOMETRIC FREQUENCIES WHEN BEGINNING A HEARING TEST:
correct answers START HEARING TEST AT 1000 HZ IN THE FIRST EAR AT 40 DB OF
LOUDNESS. FOR THE SECOND EAR, YOU START THE TEST AT 500 HZ.
True or False: THE OHC MAY NOT PERFORM SPEECH AUDIOMETRY, MASKIN, BONE
CONDUCTION, ABRS, OAES correct answers TRUE
THE OUTERMOST PART OF THE EAR IS CALLED correct answers pinna
