What are two ways that we can objectively assess pediatric patients? Right
Ans - OAEs and ABRs
how did we test infant hearing before OAEs and ABRs? Right Ans - test
their reflex, and other observational methods
What is wrong with just testing the infant's reflex? Right Ans - don't know
what type of hearing loss, don't know which ear, degree of hearing loss
Why test infants hearing? Right Ans - first year of life is crucial for speech
and language
In the 1990s, the average age of identification for a hearing loss was? Right
Ans - 3 years old
Why are there differences in ages that we find hearing problems in kids
because of healthcare in different countries? Right Ans - cost is prohibited
for some people to be able to afford for this identification, technology, etc.
benefit of early screening? Right Ans - development of speech and language
when are APGAR scores taken? Right Ans - after 1, 5 and 10 minutes after
birth
contraction of muscles around eyes in response to loud sound Right Ans -
startle reflex
What are some problems regarding startle reflexes? Right Ans - agreement
among technicians, can miss mild to moderate losses
example of early attempts of hearing loss identification? Right Ans -
APGAR, startle reflexes
how common is hearing loss in newborns? Right Ans - up to 3 in every
1000 births
also known as the german measles Right Ans - rubella
,-a concern if caught during 1 trimester
-epidemic during 1964 and 65
-babies tend to be born smaller and develop more slowly
-brain damage, blindness, heart defects
-vaccine in 1969 reduced number of cases but still a concern among poor
groups who refuse vaccinations Right Ans - rubella
typically a harmless illness if not associated with pregnant mother Right
Ans - CMV
can be contracted before birth through placenta, during birth via cervix, and
after birth via mother's milk. Right Ans - CMV
CMV causes a _______________ hearing loss. Right Ans - sensorineural
classic symptoms include:
-sudden attacks of vertigo
-nausea and vomiting
-roaring tinnitus
-unilateral hearing loss
-aural fullness
-fluctuating and progressive hearing loss
-very poor speech recognition Right Ans - meniere's disease
with ____________ ___________, walking can even become difficult. Right Ans -
meniere's disease
Meniere's disease is a _______________ hearing loss. Right Ans - sensorineural
cause of miner's disease? Right Ans - overproduction or under-absorbtion
of endolymph in the scala media.
treatment includes:
low salt diet
vestibular suppressant drugs
surgery Right Ans - meniere's disease
, process of flushing fluid from the scala media with a shunt Right Ans -
endolymphatic sac decompression
Miner's disease will present a type_______ tympanogram. Right Ans - A
for miner's disease, reflexes will be present at reduced sensation levels for a
mild hearing loss. true or false? Right Ans - true
For Meniere's disease, the problem is in the __________ ear. Right Ans - inner
an acoustic signal which can negatively affect the physiological or
psychological well being of an individual Right Ans - noise
Excessive ________ ___________ is one of the most common causes of
sensorineural hearing loss. Right Ans - noise exposure
tts stands for? Right Ans - temporary threshold shift
PTS stands for? Right Ans - permanent threshold shift
gold rule of noise exposure? Right Ans - if you have to raise your voice to
be heard, the sounds may be damaging to your ears
anything over _____ dB can cause gradual hearing loss Right Ans - 85 dB
how can we prevent noise induced hearing loss? Right Ans - -education
-noise reduction or avoidance
-hearing protection
histopathology of noise induced hearing loss? Right Ans - stereo cilia of
outer hair cells loose contact with tectorial membrane, loss of stereo cilia and
disarray, loss of OHCs, loss of IHCs
Degree of histopathology depends on _________ ____ __________ and ______________
_____ _____________. Right Ans - level of noise and length of duration
where does damage of NIHL start first? Right Ans - stereo cilia of the outer
hair cells