CAOHC Certification study guide COMPREHENSIVE
ACTUAL PREDICTOR FINAL EXAM 2026-2027
NEWEST VERSION A&B WITH COMPLETE
QUESTIONS AND CORRECT DETAILED
ANSWERS\VERIFIED 100% / NEWEST EXAM
/JUST RELEASED!!
Which of the following statements regarding NRR is true?
A. Real world attenuation is, on average, about one-third to one-half of
the NRR
B. A higher NRR does not accurately reflect better attenuation in the
workplace
C. Earplug attenuation varies widely among a group of wearers,
regardless of NRR
D. All of the above
E. None of the above
D. All of the above
,Which of the following is NOT a type of audiometer calibration specified
by OSHA?
A. Biological
B. Anacoustic
C. Exhaustive
D. Acoustic
E. None of the above
B. Anacoustic
,Administrative controls to limit noise exposure include which of the
following?
A. Limiting the time a worker spends at a noise source
B. Enclosing the noise source
C. Changing to lower-noise tools and machinery
D. Erecting barriers between noise source and worker
E. All of the above
A. Limiting the time a worker spends at a noise source
Which of the following is a NOT a common non-occupational source of
harmful noise?
A. Motorcycles
B. Carpentry
C. Guns
D. Lawn equipment
E. None of the above
E. None of the above
, In addition to the OSHA requirements, FRA requires what datum on
audiograms?
A. Worker gender
B. Audiometer model
C. Examiner CAOHC number
D. HCP professional supervisor name
E. Audiometric room certification date
B. Audiometer model
What factors should be considered when selecting hearing protectors
A. Comfort
B. Ease of use
C. Attenuation amount
D. Communication requirements
E. All of the above
E. All of the above
ACTUAL PREDICTOR FINAL EXAM 2026-2027
NEWEST VERSION A&B WITH COMPLETE
QUESTIONS AND CORRECT DETAILED
ANSWERS\VERIFIED 100% / NEWEST EXAM
/JUST RELEASED!!
Which of the following statements regarding NRR is true?
A. Real world attenuation is, on average, about one-third to one-half of
the NRR
B. A higher NRR does not accurately reflect better attenuation in the
workplace
C. Earplug attenuation varies widely among a group of wearers,
regardless of NRR
D. All of the above
E. None of the above
D. All of the above
,Which of the following is NOT a type of audiometer calibration specified
by OSHA?
A. Biological
B. Anacoustic
C. Exhaustive
D. Acoustic
E. None of the above
B. Anacoustic
,Administrative controls to limit noise exposure include which of the
following?
A. Limiting the time a worker spends at a noise source
B. Enclosing the noise source
C. Changing to lower-noise tools and machinery
D. Erecting barriers between noise source and worker
E. All of the above
A. Limiting the time a worker spends at a noise source
Which of the following is a NOT a common non-occupational source of
harmful noise?
A. Motorcycles
B. Carpentry
C. Guns
D. Lawn equipment
E. None of the above
E. None of the above
, In addition to the OSHA requirements, FRA requires what datum on
audiograms?
A. Worker gender
B. Audiometer model
C. Examiner CAOHC number
D. HCP professional supervisor name
E. Audiometric room certification date
B. Audiometer model
What factors should be considered when selecting hearing protectors
A. Comfort
B. Ease of use
C. Attenuation amount
D. Communication requirements
E. All of the above
E. All of the above
