CAOHC army hearing test Latest Update 2024- 2025 Questions and 100% Verified Correct Answers Guaranteed A+ At First Attempt a positive STS follow up test requires the patient to be at least ___ hours noise free -
CORRECT ANSWER: 14
a single exposure to impact noise of ____, can cause irreversible damage to the hair
cells in the organ of corti - CORRECT ANSWER: >=140dBP SPL
ambient noise in the testing environment typically affects the threshold at - CORRECT
ANSWER: 500hz
an early warning shift (EWS) occurs when there is a change of ___at __,__,__,__, in
either ear - CORRECT ANSWER: 15dB, 1, 2, 3, 4Hz
an employee must be notified within ____ days if they still have a STS after all follow-
ups are conducted - CORRECT ANSWER: 21
an STS occurs at and average ___ or greater threshold decrease at __,__,__ in either
ear compared to the reference - CORRECT ANSWER: 10dB, 2, 3, 4 kHz
an STS that resolves on a follow-up test after auditory rest is an - CORRECT ANSWER: TTS (temporary threshold shift)
audiometric booths ____ need to be soundproof - CORRECT ANSWER: do not
before a positive STS can be retest they require a >= ___ noise free requirement -
CORRECT ANSWER: 14hr
cerumen impaction indicates what type of hearing loss - CORRECT ANSWER:
sensorineural
changing work schedules or operation in order to reduce individual noise exposure is an
example of _____ control - CORRECT ANSWER: administrative
conductive hearing loss typically occur in the - CORRECT ANSWER: low frequencies
DoD requires HPD use when exposed to ___, and ___ regardless of duration -
CORRECT ANSWER: 85dBA, 140dBP
double hearing protection provides the user with ___increase protection - CORRECT
ANSWER: 5dB
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