CAOHC Certification study guide Questions Solved 100%
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Course
CAOHC
Institution
CAOHC
THE TECHNICAL TERM FOR EARWAX IS ___________________
(IT CAN SOMETIMES INTERFERE WITH THE COMFORT AND PROPER USE OF EARPLUGS AS WELL AS
HEARING TEST RESULTS). - CERUMEN
INSIDE THE MIDDLE EAR ARE SITUATED THREE SMALL BONES CALLED - THE OSSICLES
WHOSE NAMES ARE THE MALLEUS, INCUS AND STAPES
THE ...
CAOHC Certification study guide
Questions Solved 100%
THE TECHNICAL TERM FOR EARWAX IS ___________________
(IT CAN SOMETIMES INTERFERE WITH THE COMFORT AND PROPER USE OF EARPLUGS AS WELL AS
HEARING TEST RESULTS). - ✔✔CERUMEN
INSIDE THE MIDDLE EAR ARE SITUATED THREE SMALL BONES CALLED - ✔✔THE OSSICLES
WHOSE NAMES ARE THE MALLEUS, INCUS AND STAPES
THE FUNCTION OF THE OSSICULAR CHAIN IS TO - ✔✔CONDUCT SOUND INTO THE INNER EAR
. THE INNER EAR OF THE _______________, HOUSES THE MECHANISM FOR BALANCE AS WELL AS
HEARING - ✔✔LABYRINTH
IN THE INNER EAR, THE SNAIL SHAPED END ORGAN FOR HEARING IS THE - ✔✔COCHLEA
WHAT IS SEATED ON THE BASILAR MEMBRANE TO CONVERT THE HYDRAULIC ENERGY INTO ELECTRICAL
ENERGY? - ✔✔TINY HAIR CELLS
NOISE-EXPOSED PEOPLE TEND TO - ✔✔LOSE HEARING FIRST IN THE HIGH TONES/FREQUENCIES
OTOLOGISTS - ✔✔MEDICAL SPECIALIST WHO SPECIALIZES FURTHER IN EARS
PHYSICIANS SPECIALIZING IN THE DISEASES OF THE EAR, NOSE AND THROAT ARE CALLED
- ✔✔OTOLARYNGOLOISTS
, . IN WHAT PART OF THE AUDITORY SYSTEM DOES A SENSORINERUAL HEARING LOSS OCCUR IN: -
✔✔THE INNER EAR OR NERVE OF HEARING (COCHLEA).
BESIDES NOISE, ONE OF THE MOST FREQUENT CONTRIBUTORS TO SENSORINEURAL HEARING LOSS IS -
✔✔PRESBYCUSIS OR THE HEARING LOSS FROM AGING
TRUE OR FALSE: THE OHC WILL NOT BE RESPONSIBLE FOR TAKING NOISE MEASUREMENTS. -
✔✔TRUE
THE ASPECT OF SOUND THAT IS PERCEIVED AS LOUDNESS IS CALLED - ✔✔INTENSITY
INTENSITY IS QUANTIFIED IN TERMS OF - ✔✔DECIBELS
A SOUND'S FREQUENCY IS PERCEIVED BY THE EAR AS - ✔✔PITCH
PITCH IS QUANTIFIED IN TERMS OF - ✔✔HERTZ
THE RELATIONSHIP BETWEEN LEVEL AND DURATION OF AN ALLOWABLE NOISE EXPOSURE IS CALLED
THE - ✔✔EXCHANGE RATE
OSHA AND DOD USE A __ DB PEL AND A __ DB EXCHANGE RATE WHEREAS NIOSH USES A __ DB PEL
AND A __ DB EXCHANGE RATE. - ✔✔90 - 5
85-3
MOST OCCUPATIONAL NOISE EXPOSURES FLUCTUATED IN LEVEL DURING THE WORKSHIFT. THE
LOGARITHMIC AVERAGE SOUND EXPOSURE LEVEL NORMALIZED TO AN 8-HOUR WORKDAY IS CALLED
THE: - ✔✔TIME WEIGHED AVERAGE EXPOSURE LEVEL (ABBREVIATED AS TWA, DEFAULT IS 8-HOURS).
DIFFERENCE BETWEEN OSHA AND NIOSH - ✔✔OSHA CREATES AND ENFORCES REGULATIONS FOR
OCCUPATIONAL SAFETY. NIOSH IS AN EDUCATIONAL AND RESEARCH INSTITUTION, NOT A LEGAL
ENFORCEMENT AGENCY LIKE OSHA,
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