CAOHC UPDATED ACTUAL Questions and CORRECT Answers
Council for Accreditation in Occupational Hearing Conser-
What does CAOHC stand for
vation
To advance best practice in occupational hearing conser-
CAOHC Mission vation worldwide, through credentialing, education and
advocacy
Air conduction testing Assesses outer ear, middle ear, and inner function
Parts of the ear outer, middle, inner
Outer ear pinna and auditory canal
the chamber between the eardrum and cochlea contain-
ing three tiny bones (hammer, anvil, and stirrup) that
Middle ear
concentrate the vibrations of the eardrum on the cochlea's
oval window
the innermost part of the ear, containing the cochlea,
inner ear
semicircular canals, and vestibular sacs
purpose of the outer ear collect sound waves
Purpose of middle ear amplify sound
purpose of inner ear process/interpret
bone conduction testing Testing the inner ear
small tube placed in the tympanic membrane to "vent" the
Pressure Equalization tube middle ear and prevent negative pressure build up. Is NOT
for drainage of fluid.
What is the frequency range at birth for the cochlea? 20-20,000 Hz
Where is the primary site of damage from noise exposure
Cochlea
in the ear?
What is the frequency that causes noise exposure in the
3,4,6 Hz
cochlea?
What frequency is noise induce hearing loss start at? 3000- 6000
, Hearing loss due to age, medical, illness starts at what
High
frequency?
Depression, isolation, frustration, anger, tinnitus, and
Non-auditory effects of hearing loss
stress
excessively sensitive hearing
Hyperacusis
abnormal sensitivity to noise commonly associated with
migraines
Phonophobia
sensitivity to specific sounds
Misophonia
What is the rate of hearing loss growth is greatest in first
10 years of exposure
years
HLPP Hearing Loss Prevention Program
Components of HLPP
2/5
Council for Accreditation in Occupational Hearing Conser-
What does CAOHC stand for
vation
To advance best practice in occupational hearing conser-
CAOHC Mission vation worldwide, through credentialing, education and
advocacy
Air conduction testing Assesses outer ear, middle ear, and inner function
Parts of the ear outer, middle, inner
Outer ear pinna and auditory canal
the chamber between the eardrum and cochlea contain-
ing three tiny bones (hammer, anvil, and stirrup) that
Middle ear
concentrate the vibrations of the eardrum on the cochlea's
oval window
the innermost part of the ear, containing the cochlea,
inner ear
semicircular canals, and vestibular sacs
purpose of the outer ear collect sound waves
Purpose of middle ear amplify sound
purpose of inner ear process/interpret
bone conduction testing Testing the inner ear
small tube placed in the tympanic membrane to "vent" the
Pressure Equalization tube middle ear and prevent negative pressure build up. Is NOT
for drainage of fluid.
What is the frequency range at birth for the cochlea? 20-20,000 Hz
Where is the primary site of damage from noise exposure
Cochlea
in the ear?
What is the frequency that causes noise exposure in the
3,4,6 Hz
cochlea?
What frequency is noise induce hearing loss start at? 3000- 6000
, Hearing loss due to age, medical, illness starts at what
High
frequency?
Depression, isolation, frustration, anger, tinnitus, and
Non-auditory effects of hearing loss
stress
excessively sensitive hearing
Hyperacusis
abnormal sensitivity to noise commonly associated with
migraines
Phonophobia
sensitivity to specific sounds
Misophonia
What is the rate of hearing loss growth is greatest in first
10 years of exposure
years
HLPP Hearing Loss Prevention Program
Components of HLPP
2/5
