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CAOHC /71 Questions And Answers Updated
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CAOHC /71 Questions And Answers Updated
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CAOHC /71 Questions And Answers Updated 2023-2024
Quiz :CAOHC - Answer :Council for Accreditation in Occupational Hearing
Conservation
Quiz :OHC - Answer :Occupational Hearing Conservationist
Quiz :Effects of Noise - Answer :Physiological and Psychological
Quiz :NIHL - Answer :Noise Induced hearing Loss
Quiz :Physiological effects of Noise - Answer :NIHL, tinnitus, heart disease
(etc.)
Quiz :Psychological effects of Noise - Answer :Startle, annoy, disrupt (etc.)
Quiz :TTS - Answer :Temporary Threshold Shifts
Quiz :PTS - Answer :Permanent Threshold Shifts
Quiz :Divisions of the Ear - Answer :Outer, Middle, Inner
Quiz :Conductive Hearing Loss - Answer :Breakdown in transmission of sound
through the outer or middle ear
Quiz :Sensorineural Hearing Loss - Answer :Damage to inner ear or nerves that
carry signals from inner ear to brain
Quiz :Mixed hearing loss - Answer :Conductive and sensorineural losses takes
place simultaneously
Quiz :Outer Ear Structure - Answer :Auricle (pinna) and External Auditory
Meatus (Canal)
Quiz :Outer Ear Problems - Answer :Cerumen, Infection, Foreign Body
Quiz :Ossicles - Answer :Malleus, Incus, Stapes
Quiz :Middle Ear Structures - Answer :Ossicles, Eustachian Tube
, Quiz :Middle Ear Problems - Answer :Otitis Media, Perforated membrane
Quiz :Inner Ear Structures - Answer :Cochlea (Hearing), Vestibular System
(Balance)
Quiz :Inner Ear Problems - Answer :Noise, Presbycusis
Quiz :Permanent Hearing Loss - Answer :Sensorineural
Quiz :Ototoxins - Answer :Cause sensorineural hearing loss
Quiz :Definition of Sound - Answer :Any pressure change in air, water, or other
medium which the human ear can detect
Quiz :What is necessary for Sound? - Answer :Source of Energy, Vibrating
body, Medium, Receiver
Quiz :Frequency - Answer :Pitch
Quiz :Intensity - Answer :Loudness
Quiz :Duration - Answer :Time
Quiz :Range of human hearing - Answer :20 - 20,000 Hz
Quiz :Sound pressure levels (SPL) measurements - Answer :Decibel (dB)
Quiz :100 dB + 100 dB = ? - Answer :103 dB
Quiz :Inverse Square Law - Answer :Double distance from sound source
decreases SPL by 6 dB
Quiz :Steady state noise - Answer :Sound that lasts longer than 0.5 seconds
Quiz :Impulse/Impact noise - Answer :Sound that lasts less than 0.5 seconds
Quiz :A-weighting - Answer :Filters a measured sound to capture sounds
considered hazardous. (Excludes some low and high frequency sounds.)
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