OAE PP. 2 Audiology Exam 2 Questions and
Answers with Verified Solutions | Latest
Updated 2026
What are otoacoustic emissions Sounds measured in the external ear canal
(OAEs)? that are
associated with the activity of the outer
hair cells
(in the cochlea)
Deflection of stereocilia causes OHCs to contract and expand. OHCs
amplify the
vibration of the asilar membrane
OAEs represent energy makes its way from the cochlea through
associated the middle
with outer hair cell motility that ear and finally outward into the external
ear canal
Who discovered sounds in the David Kemp in the late 1970s
external ear canal can be
produced
by activity within the inner ear
*possible bonus question
what do outer hair cells do? dance
, OAEs are now an indispensable Hearing test battery
part
of the
OAEs are especially useful for Hearing screening of newborn infants and
can help
prevent hearing loss and its impact on
quality of
life
How do we measure OAEs? probe is inserted into the external ear
canal
(should be well sealed, but does not need
to be
airtight). The probe device presents
stimulus
sounds to the ear and detects very faint
sounds
produced by the ear
is noise good for OAEs? NO it may obsure them
Amplitude of OAEs recorded in the 0 to 15 dB SPL
ear canal is normally in the range
of
what detects OAE related sound a miniature microphone within the probe
as assembly
well as any other sound in the ear
canal during the recording?
Answers with Verified Solutions | Latest
Updated 2026
What are otoacoustic emissions Sounds measured in the external ear canal
(OAEs)? that are
associated with the activity of the outer
hair cells
(in the cochlea)
Deflection of stereocilia causes OHCs to contract and expand. OHCs
amplify the
vibration of the asilar membrane
OAEs represent energy makes its way from the cochlea through
associated the middle
with outer hair cell motility that ear and finally outward into the external
ear canal
Who discovered sounds in the David Kemp in the late 1970s
external ear canal can be
produced
by activity within the inner ear
*possible bonus question
what do outer hair cells do? dance
, OAEs are now an indispensable Hearing test battery
part
of the
OAEs are especially useful for Hearing screening of newborn infants and
can help
prevent hearing loss and its impact on
quality of
life
How do we measure OAEs? probe is inserted into the external ear
canal
(should be well sealed, but does not need
to be
airtight). The probe device presents
stimulus
sounds to the ear and detects very faint
sounds
produced by the ear
is noise good for OAEs? NO it may obsure them
Amplitude of OAEs recorded in the 0 to 15 dB SPL
ear canal is normally in the range
of
what detects OAE related sound a miniature microphone within the probe
as assembly
well as any other sound in the ear
canal during the recording?
