CAOHC Exam Prep UPDATED Study
Guide QUESTIONS AND CORRECT
ANSWERS
- hertz is a unit of: - CORRECT ANSWERS sound frequency
decibel is a unit of: - CORRECT ANSWERS sound intensity
the frequency of sound is perceived as: - CORRECT ANSWERS
pitch
what is the first thing you should do when fitting earplugs? -
CORRECT ANSWERS a. pull the top of the ear to align the
ear canal
b. roll the earplug down into a tight, crease-free cylinder
c. CHECK THE EAR CANAL FOR ANY OCCLUSIONS
d. insert the earplug deep into the ear canal
hearing tests do not have to be conducted in a sound booth as long as
maximum allowable ambient noise levels aren't exceeded: -
CORRECT ANSWERS true
what type of hearing loss can be attributed to noise? - CORRECT
ANSWERS sensorineural
,what is the frequency range of speech sounds? - CORRECT
ANSWERS 250-4000 Hz
OSHA requires exhaustive calibration if there is a deviation of greater
than or equal to 15 dB: - CORRECT ANSWERS true
the range of normal hearing is: - CORRECT ANSWERS 0-25
dB
intermittent noise is noise that: - CORRECT ANSWERS a.
does not end
b. FLUCTUATES IN SOUND LEVEL WITH PERIODIC
INTERRUPTIONS OF RELATIVE QUIET
c. rises continuously
d. has been abated through the implementation of engineering
controls
e. none of the above
functional hearing loss is also known as pseudohypacusis: -
CORRECT ANSWERS true
conventional earplugs typically reduce high frequency noise more
than low-frequency noise: - CORRECT ANSWERS true
OSHA allows retests to be substituted for original tests if done within
how many days of the original test? - CORRECT ANSWERS
30 days
, administrative controls to limit noise exposure to include: -
CORRECT ANSWERS limiting the time a worker spends at a
noise source
when a worker's exposure level reaches the "action level", the
employer must: - CORRECT ANSWERS include the worker
in a hearing conservation program
what components does OSHA require for worker training? -
CORRECT ANSWERS a: effects of noise on hearing
b: purpose of hearing protectors
c: purpose of hearing testing
d: instructions on selecting and fitting protectors
e. ALL OF THE ABOVE
what is the document that OSHA requires to report hearing loss
incidents? - CORRECT ANSWERS form 300
the missions of CAOHC include: - CORRECT ANSWERS
guiding industry on successful implementation of hearing
conservation programs
NIHL typically affects: - CORRECT ANSWERS higher
frequencies first
Guide QUESTIONS AND CORRECT
ANSWERS
- hertz is a unit of: - CORRECT ANSWERS sound frequency
decibel is a unit of: - CORRECT ANSWERS sound intensity
the frequency of sound is perceived as: - CORRECT ANSWERS
pitch
what is the first thing you should do when fitting earplugs? -
CORRECT ANSWERS a. pull the top of the ear to align the
ear canal
b. roll the earplug down into a tight, crease-free cylinder
c. CHECK THE EAR CANAL FOR ANY OCCLUSIONS
d. insert the earplug deep into the ear canal
hearing tests do not have to be conducted in a sound booth as long as
maximum allowable ambient noise levels aren't exceeded: -
CORRECT ANSWERS true
what type of hearing loss can be attributed to noise? - CORRECT
ANSWERS sensorineural
,what is the frequency range of speech sounds? - CORRECT
ANSWERS 250-4000 Hz
OSHA requires exhaustive calibration if there is a deviation of greater
than or equal to 15 dB: - CORRECT ANSWERS true
the range of normal hearing is: - CORRECT ANSWERS 0-25
dB
intermittent noise is noise that: - CORRECT ANSWERS a.
does not end
b. FLUCTUATES IN SOUND LEVEL WITH PERIODIC
INTERRUPTIONS OF RELATIVE QUIET
c. rises continuously
d. has been abated through the implementation of engineering
controls
e. none of the above
functional hearing loss is also known as pseudohypacusis: -
CORRECT ANSWERS true
conventional earplugs typically reduce high frequency noise more
than low-frequency noise: - CORRECT ANSWERS true
OSHA allows retests to be substituted for original tests if done within
how many days of the original test? - CORRECT ANSWERS
30 days
, administrative controls to limit noise exposure to include: -
CORRECT ANSWERS limiting the time a worker spends at a
noise source
when a worker's exposure level reaches the "action level", the
employer must: - CORRECT ANSWERS include the worker
in a hearing conservation program
what components does OSHA require for worker training? -
CORRECT ANSWERS a: effects of noise on hearing
b: purpose of hearing protectors
c: purpose of hearing testing
d: instructions on selecting and fitting protectors
e. ALL OF THE ABOVE
what is the document that OSHA requires to report hearing loss
incidents? - CORRECT ANSWERS form 300
the missions of CAOHC include: - CORRECT ANSWERS
guiding industry on successful implementation of hearing
conservation programs
NIHL typically affects: - CORRECT ANSWERS higher
frequencies first
