CAOHC Exam Prep Questions and 100% Correct Answers| Pass Guaranteed
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Course
CAOHC
Institution
CAOHC
OHC's should suggest likely pathologies for a hearing loss only if asked by subjects: - false
which of the following is NOT a common non-occupational source of harmful noise? -
a. motorcycles
b. carpentry
c. guns
d. lawn equipment
e. NONE OF THE ABOVE
CAOHC Exam Prep Questions
and 100% Correct Answers| Pass
Guaranteed
OHC's should suggest likely pathologies for a hearing loss only if asked by subjects: - ✔✔false
which of the following is NOT a common non-occupational source of harmful noise? -
✔✔a. motorcycles
b. carpentry
c. guns
d. lawn equipment
e. NONE OF THE ABOVE
which of the following is a disadvantage of foam plugs? - ✔✔a. doesn't work well with hard hats
b. MUST BE INSERTED WITH CLEAN HANDS
c. doesn't fit larger ear canals
d. must be washed frequency
e. all of the above
swimmer's ear is an example of mixed hearing loss: - ✔✔false
what factors influence the effectiveness of hearing protectors? - ✔✔a.
temperature b. radio frequencies
c. particles
d. solvents
e. ALL OF THE ABOVE
which of the following is a disadvantage of using earmuffs? - ✔✔a. they come in only one size
,b. supervisors cannot easily determine if they are being worn properly
c. HEADBAND PRESSURE CAN BE UNCOMFORTABLE d. all of the above
e. none of the above
ambient noise above permissible levels during hearing testing may: - ✔✔a. increase the number
of STS
b. alter test thresholds
c. distract test subjects
d. ALL OF THE ABOVE
e. none of the above
if a worker fails to respond to soft tones, whisper audiometry should be employed: - ✔✔false
only workers exposed to the permissible exposure limit need to be included in hearing conservation
programs: - ✔✔false
OHC's should alert the professional supervisor to problem audiograms: - ✔✔true
which is the following is NOT a medical condition of the outer ear? - ✔✔a. wax impaction
b. collapsed ear canal
c. external otitis
d. all of the above
e. NONE OF THE ABOVE
which of the following is NOT information to collect for an aural history? - ✔✔a. occurrence
of measles
b. MARIJUANA USE
c. occurrence of chronic ear infection
, d. motorcycle use
e. military service
during audiometry, the workers should be seated so they may see the OHC's activities: - ✔✔false
OSHA's 1910.95 regulation requires written notification of a Standard Threshold Shift within how many
days? - ✔✔21 days
acoustic neuromas can manifest as an asymmetric or unilateral hearing loss: - ✔✔true
what is the proper order of steps when inserting foam earplugs? - ✔✔1. prepare earplug
2. open ear canal
3. insert earplug
if daily calibration threshold is off by more than 5 dB, the audiometer must be acoustically calibrated: -
✔✔true
pre-molded earplugs are designed to be worn only once: - ✔✔false
flat hearing loss can be caused by which of the following? - ✔✔a. equipment
malfunction b. worker response error
c. intentionally not responding to tones to simulate a loss
d. conductive pathology
e. ALL OF THE ABOVE
29 CFR 1910.95 is an example of a standard, not a regulation: - ✔✔false
type 2 sound level meters are more precise than type 1: - ✔✔false
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