CAOHC Questions and Answers 100%
Solved
OSHA PERMISSABLE EXPOSURE LEVEL 90DBA OVER AN HRS PERIOD
-EXANGE RATE 5 DBA
-NO UNPROTECTED EXPOSURE ABOVE 115 DBA
-MANDATORY OVER 90 DBA TWA
NOISE EXPOSURE DOSE -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 CALCULATIONS ARE BASEDON STATITICAL DATA FROM A
NON NOISE EXPOSURE
RECORDABILITY -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 -HL AT 2000,3000,4000 MUST BE GREATER THAT 25DB
-AVOIDS RECORDING INJURY ILLNESS WHEN HEARING IS NORMAL
RECORDABILITY SUMMARY -21 DAYS TO NOTIFY EMPLOYEE IN WRITING STS
-30 DAYS TO RETEST BEFORE THE STS HAS TO BE RECORDER
AUDIOGRAM -SHOWS EMPLOYEE HEARING THRESHOLD LEVELS(HTL)
-MAY BE A GRAPH WITH SYMBOLS
AUDIOGRAM SYMBOLS -CIRCLE FOR RIGHT EARS
-USE X FOR LEFT EARS
OUDIOMETERS TYPE MICROPROCESSOR-TEST IS COMPUTER CONTROLLED
MANUAL- TESTER IS IN CONTROL,NOT AUTOMATED
MICROPROCESSOR AUDIOMETER
ADVANTAGES MAY PERFORM MULTIPLEHEARING TEST AT THE SAME TIME
, -REDUCE HUMAN ERRORS
-REQUIRES LTTLE SKILL
MICROPROCESSOR AUDIOMETER
DESADVANTAGES -MORE EXPENSIVE THAT MANUAL
-DIFFICULT FOR SOME EMPLOYEES
-DATA IMPUT MAY BE TIME CONSUMING
MANUAL ADIOMETER ADVATENGES -GREAT EXAMINATOR CONTROL
-ALLOWS RETEST ON ONE OR MORE FREQUENCIES
-LEAST EXPENSIVE
-ONE ON ONE TESTING
BEST METHOD TO FOR HARD TO TEST EMPLOYEES
MANUAL ADIOMETER DISADVATENGES -GREAT CHANCE OF EXAMINER ERROR
-LIMITED TO TEST ONE EMPLOYEE AT THE TIME
-MAY BE MORE TIME CONSUMING
REQUIRES MORE EXAMINER SKILLS
Solved
OSHA PERMISSABLE EXPOSURE LEVEL 90DBA OVER AN HRS PERIOD
-EXANGE RATE 5 DBA
-NO UNPROTECTED EXPOSURE ABOVE 115 DBA
-MANDATORY OVER 90 DBA TWA
NOISE EXPOSURE DOSE -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 CALCULATIONS ARE BASEDON STATITICAL DATA FROM A
NON NOISE EXPOSURE
RECORDABILITY -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 -HL AT 2000,3000,4000 MUST BE GREATER THAT 25DB
-AVOIDS RECORDING INJURY ILLNESS WHEN HEARING IS NORMAL
RECORDABILITY SUMMARY -21 DAYS TO NOTIFY EMPLOYEE IN WRITING STS
-30 DAYS TO RETEST BEFORE THE STS HAS TO BE RECORDER
AUDIOGRAM -SHOWS EMPLOYEE HEARING THRESHOLD LEVELS(HTL)
-MAY BE A GRAPH WITH SYMBOLS
AUDIOGRAM SYMBOLS -CIRCLE FOR RIGHT EARS
-USE X FOR LEFT EARS
OUDIOMETERS TYPE MICROPROCESSOR-TEST IS COMPUTER CONTROLLED
MANUAL- TESTER IS IN CONTROL,NOT AUTOMATED
MICROPROCESSOR AUDIOMETER
ADVANTAGES MAY PERFORM MULTIPLEHEARING TEST AT THE SAME TIME
, -REDUCE HUMAN ERRORS
-REQUIRES LTTLE SKILL
MICROPROCESSOR AUDIOMETER
DESADVANTAGES -MORE EXPENSIVE THAT MANUAL
-DIFFICULT FOR SOME EMPLOYEES
-DATA IMPUT MAY BE TIME CONSUMING
MANUAL ADIOMETER ADVATENGES -GREAT EXAMINATOR CONTROL
-ALLOWS RETEST ON ONE OR MORE FREQUENCIES
-LEAST EXPENSIVE
-ONE ON ONE TESTING
BEST METHOD TO FOR HARD TO TEST EMPLOYEES
MANUAL ADIOMETER DISADVATENGES -GREAT CHANCE OF EXAMINER ERROR
-LIMITED TO TEST ONE EMPLOYEE AT THE TIME
-MAY BE MORE TIME CONSUMING
REQUIRES MORE EXAMINER SKILLS
