CAOHC LATEST 2026 TEST PAPER QUESTIONS AND
SOLUTIONS GRADED A+
✔✔. THE TECHNICAL TERM FOR A ONE-SIDED HEARING LOSS IS AN
_____________________________ - ✔✔UNILATERAL LOSS
✔✔TRUE OR FALSE: A HEARING LOSS THAT IS RELATIVELY FLAT ACROSS
FREQUENCIES IS OFTEN CHARACTERISTIC OF A CONDUCTIVE HEARING LOSS
WHICH IS TREATABLE AND REVERSIBLE AT TIMES. - ✔✔TRUE
✔✔___________ DOES NOT REQUIRE ALL EMPLOYEES WITH A PERSISTENT
STS TO BE REFERRED TO AN AUDIOLOGIST OR OTOLARYNGOLOGIST. -
✔✔OSHA
✔✔WHAT IS THE MOST COMMON AUDIOMETRIC CONFIGURATION FOR PEOPLE
WHO WORK IN NOISY ENVIRONMENTS? - ✔✔HIGH FREQUENCY SLOPING
SENSORINEURAL HEARING LOSS
✔✔_______________ MAY BE THE CAUSE OF INCONSISTENT AUDIOMETRIC
RESPONSES. - ✔✔TINNITUS
✔✔WHO SHOULD BEAR THE RESPONSIBILITY FOR MEDICAL REFERRAL IF AN
EMPLOYEE IS UNABLE TO WEAR HEARING PROTECTION BECAUSE OF A PRE-
EXISITING EXTERNAL OTITIS? - ✔✔THE EMPLOYER
✔✔GOVERNMENT INSPECTORS RELY ON __________________ TO ENFORCE
THE NOISE REGULATION - ✔✔Dosimeters
✔✔True or False: FOR THE MOST PURPOSES, OSHA REQUIRES THE SLOW
METER RESPONSE AND A-WEIGHTED SCALE IN AREA SURVEYS. - ✔✔True
✔✔True or False: THE TYPE 2 SOUND LEVEL METER IS ADEQUATELY PRECISE
FOR MOST OCCUPATIONAL NOISE MEASUREMENT CONDITIONS - ✔✔True
✔✔WHEN SHOULD THE CALIBRATION OF SOUND MEASURING EQUIPMENT BE
CHECKED? - ✔✔BEFORE AND AFTER USE
✔✔OSHA REQUIRES THE INTEGRATION OF ____________ NOISE INTO THE
ASSESSMENT OF WORKER NOISE DOSE. - ✔✔Impulse
✔✔BOTH OSHA AND MSHA REQUIRE THE INTEGRATION OF ALL SOUND LEVELS
BETWEEN _____ DBA AND _______ DBA TO COMPLY WITH THE ACTION LEVEL -
✔✔80-130
, ✔✔BEFORE TAKING ANY MEASUREMENTS, WHAT ARE THREE INDICATIONS
THAT NOISE LEVELS IN THE WORK ENVIRONMENT ARE GREATER THAN 85
DBA? - ✔✔1. DIFFICULTY COMMUNICATING AT THREE FEET
2. TINNITUS
3. DULLNESS OF HEARING OR TEMPORARY THRESHOLD SHIFT
✔✔WHEN OSHA CONSIDERS THE COMBINATION OF AN EARMUFF WITH AN
EARPLUG, WHAT IS THE INCREASE IN ATTENUATION ASSUMED TO BE OVER
THE PROTECTOR WITH THE HIGHER ATTENUATION? - ✔✔5 dB
✔✔WHAT IS THE NAME OF THE EFFECT WHEN A PERSON'S OWN VOICE
SOUNDS LOW PITCHED AND RATHER HOLLOW WHEN WEARING A HEARING
PROTECTOR? IN WHICH CONDITIONS IS THIS EFFECT MOST PRONOUNCED? -
✔✔OCCLUSION EFFECT AND WHEN EARPLUGS ARE NOT DEEPLY INSERTED
INTO EAR CANALS
✔✔THE OSHA REGULATION REQUIRES THAT HEARING PROTECTORS
ATTENUATE AT LEAST TO A _____ DBA TWA FOR MOST EMPLOYEES BUT _____
DBA IS SAFER. - ✔✔90-85
✔✔F C WEIGHTING IS NOT AVAILABLE AND THE A WEIGHTING NETWORK IS
USED, 7 DB MUST BE SUBTRACTED TO ACCOUNT FOR THE ABSENCE OF A
PROPER ASSESSMENT OF THE LOW FREQUENCY NOISE WHICH IS OBTAINED
USING WHAT WEIGHTING? - ✔✔C-WEIGHTING.
✔✔BESIDES NOISE-EXPOSED WORKERS, WHAT OTHER GROUPS NEED TO
RECEIVE TRAINING ON THE HEARING CONSERVATION PROGRAM? -
✔✔MANAGERS AND SUPERVISORS
✔✔WHAT ARE THE THREE REQUIRED TOPICS OF A HEARING CONSERVATION
PROGRAM? - ✔✔EFFECTS OF NOISE ON HEARING, PURPOSE AND PROCEDURE
OF THE ANNUAL HEARING TEST OR AUDIOMETRIC EVALUATION AND THE
PURPOSE OF HEARING PROTECTORS, THE ADVANTAGES, DISADVANTAGES,
AND ATTENUATION OF VARIOUS TYPES, AND INSTRUCTIONS ON SELECTION,
FITTING, USE, AND CARE.
✔✔WHAT IS THE DESIRABLE LENGTH OF A WORKER TRAINING PROGRAM? -
✔✔15-25 MINUTES
✔✔WHAT IS BEST FOR HEARING CONSERVATION TRAINING LECTURE OR
SEMINAR? - ✔✔SEMINAR
SOLUTIONS GRADED A+
✔✔. THE TECHNICAL TERM FOR A ONE-SIDED HEARING LOSS IS AN
_____________________________ - ✔✔UNILATERAL LOSS
✔✔TRUE OR FALSE: A HEARING LOSS THAT IS RELATIVELY FLAT ACROSS
FREQUENCIES IS OFTEN CHARACTERISTIC OF A CONDUCTIVE HEARING LOSS
WHICH IS TREATABLE AND REVERSIBLE AT TIMES. - ✔✔TRUE
✔✔___________ DOES NOT REQUIRE ALL EMPLOYEES WITH A PERSISTENT
STS TO BE REFERRED TO AN AUDIOLOGIST OR OTOLARYNGOLOGIST. -
✔✔OSHA
✔✔WHAT IS THE MOST COMMON AUDIOMETRIC CONFIGURATION FOR PEOPLE
WHO WORK IN NOISY ENVIRONMENTS? - ✔✔HIGH FREQUENCY SLOPING
SENSORINEURAL HEARING LOSS
✔✔_______________ MAY BE THE CAUSE OF INCONSISTENT AUDIOMETRIC
RESPONSES. - ✔✔TINNITUS
✔✔WHO SHOULD BEAR THE RESPONSIBILITY FOR MEDICAL REFERRAL IF AN
EMPLOYEE IS UNABLE TO WEAR HEARING PROTECTION BECAUSE OF A PRE-
EXISITING EXTERNAL OTITIS? - ✔✔THE EMPLOYER
✔✔GOVERNMENT INSPECTORS RELY ON __________________ TO ENFORCE
THE NOISE REGULATION - ✔✔Dosimeters
✔✔True or False: FOR THE MOST PURPOSES, OSHA REQUIRES THE SLOW
METER RESPONSE AND A-WEIGHTED SCALE IN AREA SURVEYS. - ✔✔True
✔✔True or False: THE TYPE 2 SOUND LEVEL METER IS ADEQUATELY PRECISE
FOR MOST OCCUPATIONAL NOISE MEASUREMENT CONDITIONS - ✔✔True
✔✔WHEN SHOULD THE CALIBRATION OF SOUND MEASURING EQUIPMENT BE
CHECKED? - ✔✔BEFORE AND AFTER USE
✔✔OSHA REQUIRES THE INTEGRATION OF ____________ NOISE INTO THE
ASSESSMENT OF WORKER NOISE DOSE. - ✔✔Impulse
✔✔BOTH OSHA AND MSHA REQUIRE THE INTEGRATION OF ALL SOUND LEVELS
BETWEEN _____ DBA AND _______ DBA TO COMPLY WITH THE ACTION LEVEL -
✔✔80-130
, ✔✔BEFORE TAKING ANY MEASUREMENTS, WHAT ARE THREE INDICATIONS
THAT NOISE LEVELS IN THE WORK ENVIRONMENT ARE GREATER THAN 85
DBA? - ✔✔1. DIFFICULTY COMMUNICATING AT THREE FEET
2. TINNITUS
3. DULLNESS OF HEARING OR TEMPORARY THRESHOLD SHIFT
✔✔WHEN OSHA CONSIDERS THE COMBINATION OF AN EARMUFF WITH AN
EARPLUG, WHAT IS THE INCREASE IN ATTENUATION ASSUMED TO BE OVER
THE PROTECTOR WITH THE HIGHER ATTENUATION? - ✔✔5 dB
✔✔WHAT IS THE NAME OF THE EFFECT WHEN A PERSON'S OWN VOICE
SOUNDS LOW PITCHED AND RATHER HOLLOW WHEN WEARING A HEARING
PROTECTOR? IN WHICH CONDITIONS IS THIS EFFECT MOST PRONOUNCED? -
✔✔OCCLUSION EFFECT AND WHEN EARPLUGS ARE NOT DEEPLY INSERTED
INTO EAR CANALS
✔✔THE OSHA REGULATION REQUIRES THAT HEARING PROTECTORS
ATTENUATE AT LEAST TO A _____ DBA TWA FOR MOST EMPLOYEES BUT _____
DBA IS SAFER. - ✔✔90-85
✔✔F C WEIGHTING IS NOT AVAILABLE AND THE A WEIGHTING NETWORK IS
USED, 7 DB MUST BE SUBTRACTED TO ACCOUNT FOR THE ABSENCE OF A
PROPER ASSESSMENT OF THE LOW FREQUENCY NOISE WHICH IS OBTAINED
USING WHAT WEIGHTING? - ✔✔C-WEIGHTING.
✔✔BESIDES NOISE-EXPOSED WORKERS, WHAT OTHER GROUPS NEED TO
RECEIVE TRAINING ON THE HEARING CONSERVATION PROGRAM? -
✔✔MANAGERS AND SUPERVISORS
✔✔WHAT ARE THE THREE REQUIRED TOPICS OF A HEARING CONSERVATION
PROGRAM? - ✔✔EFFECTS OF NOISE ON HEARING, PURPOSE AND PROCEDURE
OF THE ANNUAL HEARING TEST OR AUDIOMETRIC EVALUATION AND THE
PURPOSE OF HEARING PROTECTORS, THE ADVANTAGES, DISADVANTAGES,
AND ATTENUATION OF VARIOUS TYPES, AND INSTRUCTIONS ON SELECTION,
FITTING, USE, AND CARE.
✔✔WHAT IS THE DESIRABLE LENGTH OF A WORKER TRAINING PROGRAM? -
✔✔15-25 MINUTES
✔✔WHAT IS BEST FOR HEARING CONSERVATION TRAINING LECTURE OR
SEMINAR? - ✔✔SEMINAR
