CAOHC Kahoot Review questions Latest Update 2024-2025 Questions and 100% Verified Correct Answers Guaranteed A+ At First Attempt A difference of 80db HTL or greater between ears at the same frequency may be
caused by... - CORRECT ANSWER: Non-organic heating loss/equipment failure
According to OSHA, NF follow up testing must be completed within___days -
CORRECT ANSWER: 30
Air conduction audiometric testing tells us how much... - CORRECT ANSWER: Total
hearing loss the person has
At which frequency dose hearing loss first occur as a result of exposure to loud noise? -
CORRECT ANSWER: 4000Hz
Background noise begins to interfere with communications at what decibels? -
CORRECT ANSWER: 50 dBA
BE is NOT responsible for... - CORRECT ANSWER: Calibrating audiometers
For each doubling of distance form noise source, the overall SPL decreases by how
many dBs? - CORRECT ANSWER: 6dB
From a medical legal standpoint, what is the most important audiometer calibration
procedure? - CORRECT ANSWER: Daily biological check
Hazardous continuous noise starts at which level? - CORRECT ANSWER: 85dBA
How many days does the OHC have to send the PTS notification to the worker and the
supervisor? - CORRECT ANSWER: 21 and an additional 10 days
If 2 identical noise sources are placed next to each other, the noise level will increase
by... - CORRECT ANSWER: 3bB
If responses to a frequency are yes at 30dB yes at 20dB and no at 10dB the next step
is... - CORRECT ANSWER: Present tone at 15dB
If the worker fails to respond to the initial tone at 30db, what tone should be presented
next? - CORRECT ANSWER: 50db
If you notice an unexplained shift in hearing at 500hz what should you expect? -
CORRECT ANSWER: Excessive room noise
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