Dental Materials Calcium Hydroxide (CaOHC) Exam|| All Questions & 100% Correct Solutions
Dental Materials Calcium Hydroxide (CaOHC) Exam|| All Questions & 100% Correct Solutions
Unit of measurement for frequency (pitch) - ANSWER - Hertz (Hz)
Unit of measurement for intensity (loudness) - ANS...
, Dental Materials Calcium Hydroxide (CaOHC)
Exam|| All Questions & 100% Correct
Solutions
Unit of measurement for frequency (pitch) - ANSWER - Hertz (Hz)
Unit of measurement for intensity (loudness) - ANSWER - Decibel (dB)
Risk of damage from noise - ANSWER - How loud (intensity) and how long (duration)
Steady-state or continuous noise, e.g. generator - ANSWER - Lasts 1 second or longer
Impulse or Impact noise, e.g. gunfire or nail gun - ANSWER - Lasts less than one second
Parts of the outer ear - ANSWER - Pinna and external auditory canal
Parts of the middle ear - ANSWER - Tympanic membrane, ossicles, eustachian tube
Eustachian tube (auditory tube) - ANSWER - Tube connecting the middle ear to the pharynx and
equalizes middle ear space with atmospheric pressure
Conductive HL occurs here - ANSWER - Outer or middle ear
Sensorineural hearing loss - ANSWER - Hearing loss resulting from damage to the inner ear (cochlea) or
the auditory nerve
Noise-induced hearing loss (NIHL) - ANSWER - Condition caused by the destruction of hair cells, the
organs responsible for hearing, as a result of sounds that are "too long, too loud, or too close"; a
sensorineural hearing loss
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