CAOHC 2024 LATEST UPDATE
Unprotecting noise exposure can cause the following types of hearing loss - ANSWER
SENSORINEURAL
The range of human speech IS - ANSWER 250 HZ-4000HZ
What is the cause of conductive hearing loss - ANSWER Cerumen impaction
the audiometer use for industrial hearing testing is - ANSWER Pure - tone air
conduction
Identify the correct starting settings on an audiometer for testing. - ANSWER 0 db and
1000HZ
When testing the correct procedure to follow is - ANSWER Down by 10 DB, up by 5DB
The subject responds to a tone at 25 DB HL to nextT DB HL setting is - ANSWER 15
DB HL
If the subject is given a false responses and likely guessing the best action is too -
ANSWER Test them in automatic mode
Problem audiograms must be repaired by - ANSWER an audiologist or physician
Background noise levels in the testing department must be rechecked - ANSWER if the
environment changes or to boot is moved
biological calibration checks are required - ANSWER Daily prior testing
When testing a subject with tinnitus is the best to - ANSWER use a pulse tone
In OSHA TBA TWA noise exposure can be found in the following - ANSWER OSHA
noise standard
The perception of loudness is measured using the - ANSWER Decibel
Employees sustaining a STS must wear hand protection with noise levels - ANSWER
Meet or exceed 85 DB ATWA
Regarding hearing protection employers must offer an according to OSHA - dod -
ANSWER a variety
A Earplugs fits properly if - ANSWER It is full inserted into the ear canal
Unprotecting noise exposure can cause the following types of hearing loss - ANSWER
SENSORINEURAL
The range of human speech IS - ANSWER 250 HZ-4000HZ
What is the cause of conductive hearing loss - ANSWER Cerumen impaction
the audiometer use for industrial hearing testing is - ANSWER Pure - tone air
conduction
Identify the correct starting settings on an audiometer for testing. - ANSWER 0 db and
1000HZ
When testing the correct procedure to follow is - ANSWER Down by 10 DB, up by 5DB
The subject responds to a tone at 25 DB HL to nextT DB HL setting is - ANSWER 15
DB HL
If the subject is given a false responses and likely guessing the best action is too -
ANSWER Test them in automatic mode
Problem audiograms must be repaired by - ANSWER an audiologist or physician
Background noise levels in the testing department must be rechecked - ANSWER if the
environment changes or to boot is moved
biological calibration checks are required - ANSWER Daily prior testing
When testing a subject with tinnitus is the best to - ANSWER use a pulse tone
In OSHA TBA TWA noise exposure can be found in the following - ANSWER OSHA
noise standard
The perception of loudness is measured using the - ANSWER Decibel
Employees sustaining a STS must wear hand protection with noise levels - ANSWER
Meet or exceed 85 DB ATWA
Regarding hearing protection employers must offer an according to OSHA - dod -
ANSWER a variety
A Earplugs fits properly if - ANSWER It is full inserted into the ear canal
