CAOHC EXAM QUESTIONS WITH 100% CORRECT ANSWERS | VERIFIED | UPDATED 2024, Exams of Advanced Education

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CAOHC EXAM QUESTIONS WITH 100% CORRECT ANSWERS | VERIFIED | UPDATED 2024 OSHA TREANING REQUIREMENTS - Correct Answer- MANDATORY PROGRAM FOR EMPLYEES WITH NOISE EXPOSURE +85DBA/ EMPLOYER MUST ENSURE PARTICIPATION OSHA REQUIREMENT - Correct Answer-PERSONAL HEARING PROTECTORS ATTENUATION (NRR CONSEPT AND CALCULATION) AUDIOMETRICS TESTING PURPOSES, EFFECTS OF NOISE HEARING IDEALLY TRAINING SHOULD - Correct Answer-COMPANY SPECIFIC-SHOWCASING EMPLOYEE AND WORK AREA RELEVANT, APPLICABLE, CURRENT, ENGANING,DIFERRENT FROM LAST YEARIS TO MOTIVATE EMPLOYEE TO GHANGE BEHAVIORS pg. 1 professoraxe l QUALITY TRAINING - Correct Answer-PROHC,PRIMARY GOAL OVIDE A GREAT MOTIVATIONAL OPPORTUNITY TO MOTIVATE EMPLOYEE TO GHANGE BEHAVIORS POTENTIAL TIPOCS IN ADDITIONAL REQUIRED - Correct Answer-ANATOMY OF THE EAR EFFECT OF NOISE CONVEY THE EXPERIENCEO F NIHL OTOTOXINEXPOSURE AT WORK AND HOME NIOSH 5 PRIMARY BARRIERS - Correct Answer-COMFORT CONVENIENCE COMUNICATION COST CULTURE OR CLIMATE TIPS OF EFFECTIVE TRAINING - Correct Answer-SPEAK TO THE EDUCATIONAL LEVEL TAILOR TO THE EMPLOYEEES JOBS TIME THE TRAINING APPROPRIATELY(10-15MIN) BE FLEXIBE pg. 2 professoraxe l -REFLECTS ALL CONTRIBUTIONS TO THE EMPLOYEE NOISE EXPOSURE PERSONAL DOSIMETERS - Correct Answer--DIRECTLY COMPUTER 8 HRS TWA -MOST DOSIMETERS PROVIDE TIME HISTORY -SOME HAVE DUAL FUNCTIONS AS SLM TYPE II DOSIMETER PROCESS - Correct Answer--SCHEDULE EVENT DURING TYPICAL OPERATIONS -MONITOR FOR A FULL WORK SHIFT -USE APPROPIATED EXCHANGE RATE 3DB OR 5DB NOISE CONTROL - Correct Answer--ALL OHC ARE CAPABLE OF IDENTIFYING NOISE OPROBLEMS -MOST OHC ARE ABLE TO SOLVE SIMPLE NOISE PROBLEMS ENGINEERING CONTROL - Correct Answer---MUST BE ATTEMPED FIRST IF FEASIBLE -FACILITATES CLEAR SPEECH -INCREASE SAFETY pg. 5 professoraxe l -REDUCE COST AND BURDEN NOISE CONTROL STATEGIES - Correct Answer--SOURCE -PATH, SOUND ABSORBING MATERIALS -RECIEVER,BOOTH CONTROL ROOM, ADMINISTRATIVE CONTROLS PERSONAL HEARING PROTECTORS FALL INTO THIS CATEGORY OSHA ACTION LEVEL - Correct Answer--85 DBA TWA,AVERAGE UNPROTECTED EXPOSUREOVER 8 HRS PERIOD TWA -ANNUAL TRAINNING -ANNUAL AUDIOMETRIC MONITORING AVAILABILITY OF HEARING PROTECTIVE DEVICES OSHA PERMISSABLE EXPOSURE LEVEL - Correct Answer-90DBA OVER AN HRS PERIOD -EXANGE RATE 5 DBA -NO UNPROTECTED EXPOSURE ABOVE 115 DBA -MANDATORY OVER 90 DBA TWA pg. 6 professoraxe l NOISE EXPOSURE DOSE - Correct Answer--MAY BE EXPRESED IN A PERCENTAGE DAILY DOSE -100% DOSE IS ALLOWABLE DAILY EXPOSURE EQUALTO THE PEL -A 100% DOSE PER OSHA WOULD BE A TWA OF 90 DBA AGE CORRECTION - Correct Answer-CALCULATIONS ARE BASEDON STATITICAL DATA FROM A NON NOISE EXPOSURE RECORDABILITY - Correct Answer--THE EMPLOYEE AUDIGRAM REVEALS STS OF 10 DB -THE STS DETERMINED TO BE WORK RELATED -THE STS MUST BE RECORDER THE OSHA 300 LOG AVERAGE HEARING LEVEL - Correct Answer--HL AT 2000,3000,4000 MUST BE GREATER THAT 25DB -AVOIDS RECORDING INJURY ILLNESS WHEN HEARING IS NORMAL RECORDABILITY SUMMARY - Correct Answer--21 DAYS TO NOTIFY EMPLOYEE IN WRITING STS -30 DAYS TO RETEST BEFORE THE STS HAS TO BE RECORDER pg. 7 professoraxe l -MOTOR SKILL CHALLENGES HAND SWITCH -TINITTUS -DISTRACTION LACK OF FOCUS SLEEPINESS EARPHONES - Correct Answer--NEVER REPLACE THE ERAPHONES WITHOUT HAVING A NEW EXAHUSTIVECALIBRATION PERFORM -MECHANICAL SHOCK ,FROM BEING DROPPED MAY ALTERATED THE CALIBRATION OF THE EARPHONES WHO MAY PERFOM AUDIOMETRY? - Correct Answer-- LINCESED AUDIOLOGIST,OTOLARYNGOLOGIST OR PA -TECH WHO OPERATES MICROPROCESSOR FUNCTIONAL CALIBRATION - Correct Answer-REQUIRES DAILY IF AUDIO IS CONDUCTED -HAS TWO PARTS, LISTENING AND VISUAL LISTENING CHECK - Correct Answer-THE EARPHONE IS THE MOST SENSITIVE PART OF THE SYSTEM AND MOST LIKELY TO MALFUNCTION -AVOID SHORTCUTS pg. 10 professoraxe l LISTENING CHECK DIAGNOSIS - Correct Answer--LOSS OF TONE, CHECK FOR BREAKS -STATIC-CHECK FOR BROKEN FRAYED -CHECK FOR RIPPED SHEATH- BIOLOGICAL CALIBRATION - Correct Answer--REQUIRED DAILY BEFORE AUDIOMETRY IS CONDUCTED - BIO ACUSTIC SIMULATOR - Correct Answer-ARTIFICIAL EARS IN LIEU OF A HUMAN SUBJECT ACOUSTICAL CALIBRATION - Correct Answer-REQUIRED ANNUALLY OR IF EQUIPMENT FAILS DAILY BIOLOGICAL CALIBRATION EXHAUSTIVE CALIBRATION - Correct Answer-REQUIRED EVERY 2 YEARS OR IF EQUIPMENT FAILS ANNUAL ELECTRO ACOUSTICAL CALIBRATION TINNITUS - Correct Answer-ringing or buzzing in the ears. pg. 11 professoraxe l HEARING THRESHOLDLEVEL (HTL) - Correct Answer-IS DEFINE AS THE LOWEST INTENSITY LEVELTO WICH THE SUBJECT RESPOND AT LEAST 50% OF THE TIME PROBLEMS THAT AFFECT AUDIOMETRY - Correct Answer-- FATIGUE -TINNITUS -MANUAL CORDINATION -SUBSTANCE USE -WAX IMPACTION -ANXIETY ANS CLAUSTROPHOBIA TEST ALONE FEDERAL VS STATE LOCAL - Correct Answer-FEDERAL REGULATION ARE MINIMUM REQUIREMENT -STATE AND LOCAL REGULATIONS MAY BE MORE CONSERVATIVE HPD - Correct Answer-HEARING PROTECTIVE DEVICE pg. 12 professoraxe l EARPLUGS - Correct Answer--FORMABLE -PREMOLDED -FOAMS EARPLUGS ADVANTAGES - Correct Answer--SMALL PORTABLE -LESS EXPENSIVE -ACCOMMOATE HARDHATS GLASSES ETC EARPLUGS DISADVANTAGES - Correct Answer--DIFFICULT TO MONITOR -POTENTIAL FOR INFECCION -REQUIRE MORE SKILL TO FIT FORMABLE EARPLUGS - Correct Answer- ADVANTAGES,COMFORTABLE IF INSERTED DISADVANTAGES-ATTENIUATION DEPENS HIGHLY ON POPRERINSERTION -EDUCATIONAL IS CRITICAL pg. 15 professoraxe l HEARING AIDS IN NOISE - Correct Answer--HEARING AIDS SHOULD NOT BE TURNED ON IN PRESENCE OF HIGH NOISE LEVEL -HEARING AIDS MAY BE WORN UNDER EARMUFFS UNDER SOME CAREFULLY SUPERVISED CONDITIONS OHC ROLE INTHE HPD PROCESS - Correct Answer--PERFORM OTOSCOPIC EXAM -CHOOSE APPROPIATED HPD -OFFER ORIENTATION AND TRAINING -ENGOURAGE EMPLOYYE TO BRING HPD AUDIOMETRIC EVALUATION AN TRAINING SESSION OTOSCOPIC INSPECTION - Correct Answer--PURPOSE CONFIRM EAR CANAL IS CLEAR OF OVIOUS INFECTION, -ALWAYS STOP IF IS PAINFUL AN REFER A PATIENT AS DIRECTED TO PS UNILATERAL LOSS - Correct Answer-IF NEITHER EAR IS NORMAL BUT ONE IS WORSE, LOSS CALLED ASYMMETRIC -NOT USSUALLY CAUSE BY NOISE EXPOSURE pg. 16 professoraxe l Conductive hearing loss - Correct Answer-occurs when there is a problem conducting sound waves anywhere along the route through the outer ear, tympanic membrane (eardrum), or middle ear (ossicles). Sensorineural hearing loss (SNHL) - Correct Answer-is a type of hearing loss, or deafness, in which the root cause lies in the inner ear (cochlear), vestibulocochlear nerve (cranial nerve VIII), or central processing centers of the brain. BONE CONDUCTING TESTING - Correct Answer-*INNER EAR THRESHOLDS ARE OBTAINED VIA BONE OSCILLATORPLACED ON MASTOID -AIR BONE GAP,MORE THAT DB DIFFERENCE BEETWEEN THRESHOLD OBTAINED BY BONE CONDUCTION AND BY AIR CONDUCTION AUDIOMETRY TECHNIQUE - Correct Answer--CALIBRATE DAILY -OBTAIN AURAL -PERFORM OTOSCOPIC EXAMINATION -PLACE EARPHONES ON SUBJECT -ACCURATELY RECORD AUDIOMETRY RESULTS pg. 17 professoraxe l TRAINING RECORDS RETENTION - Correct Answer--OSHA REQUIRED RETENTION (NONE) -NIOSH RECOMENT DURATION OF EMPLOYEE PLUS 1 YEAR -DURATION OF EMPLOYMENT PLUS 30 YEARS INDUSTRIAL HYGIENIST - Correct Answer--RFESPONSABLE FOR NOISE HAZARD EVALUATION OF WORKSITE -WHO NEEDS TO BE INCLUDED IN HPC -APPROPIATED ATTENUATION CAOHC - Correct Answer-COUNCIL ACREDITATION IN OCCUPATIONAL HERING CONCERVATION CAOHC MISSION - Correct Answer-PROMOTE HEARING LOSS PREVENTION BY ENHANCING THE QUUALITY OF OCCUPATIONAL HEARING LOSS PREVENTION PRACTICES WHAT DOES CAOHC DO - Correct Answer--*TRAIN AND CERTIFYOHC AND COURSES DIRECTIONS -SET STANDARS AND APPROVEOHC COURSE -PROMOTE BEST PRACTICES IN OCCUPATIONAL HEARING CONSERVATION pg. 20 professoraxe l EFFECT OF NOISE - Correct Answer--PHYSIOLOGICAL-NOISE INDUCE HEARING LOSS -PSYCHOLOGICAL- CASN STARTLE, ANNOY DISTRUP CONCENTRARTION SLEEP EARLY SING OF NIHL - Correct Answer--DIFFICULTY UNDERSTANDING CONVERSATIONS -BLOCKED STUFFY SENSATIONS IN EARS -RINNING OR BUZZING IN THE EARS(TINNITUS) CHARACTERISTICS OF NIHL - Correct Answer--USUALLY BILATERAL, ALWAYS SENSORIAL -AFFECT HIGH FREQUENCES NOTCH 4000HZ -LOSS USUALLY NOT GREATER THAT 75 DB -LOSS GREATER IN FIRST 10-15 YEARS CHARACTERISTICS OF NIHL - Correct Answer-TEMPORALY HEARING THRESHOLD SHIFTS (TTS) BECOME PERMANENT THRESHOLD SHIFTS(PTS) WITH EXPOSURES TO NOISE pg. 21 professoraxe l 30 MILLIONS - Correct Answer-ARE EXPOSED TO HAZARDOUS NOISEIN THE WORKPLACE WITH ANOTHER 9 MILLIONS EXPOSED TO OTOTOXINS OUTER EAR PROBLEMS - Correct Answer--CERUM IMPACTION -OTITIS EXTERNAL -FOREIGN BODY -CAUSES OF CONDUCTIVE HEARING LOSS OSSICLES - Correct Answer--ARE THE SMALLESTBONES IN THE BODY (EAR) MIDDLE EAR PROBLEMS - Correct Answer--OTITIS MEDIA -CHOLESTEATOMA GROWTH IN MIDDLE EAR -CAUSES CONDUCTIVE HEARING LOSS INNER EAR PROBLEMS - Correct Answer--NOISE INUCED HEARING LOSS -OTOTOXITY-CHEMICAL INDUCED -CAUSES PERMANENT HEARING LOSS pg. 22 professoraxe l