Part 3.6 Flashcards
Master hearing aid units incorporate the adjustment of gain, slope, AGC, MPO and a recording unit to print the results
True
False
False
No Printer
Otosclerosis occurs
a) more often in women than men
b) more often in caucasians than other races
c) as an inherited tendency
d) all of the above
d) all of the above
The most commonly used microphone in hearing aids today is
a) crystal microphone
b) electret microphone
c) magnetic microphone
d) ceramic microphone
b) electret microphone
The three parts of a transistor are
a) microphone, amplifier and receiver
b) emitter, collector and base
c) diaphragm, pole piece and magnet
d) magnet, piezo-electric and ceramic
b) emitter, collector and base
Think through the terms. The other answers seemed put together.
The Speech Discrimination score (SDS) serves the purpose of
a) indicating how the client functions without amplification
b) obtaining the client’s PB max
c) indicating how the client functions with amplification
d) all of the above
d) all of the above
The reflex action which may protect the ear from excessive acoustic stimulation is dependent on the proper function of the
a) round window membrane
b) Eustachian tube
c) stapedius muscle
d) none of the above
c) stapedius muscle
The stapedius muscle stabilizes the stapes and prevents excess noise.
The decibel
a) is an absolute measure of sound intensity
b) in an absolute measure of sound loudness
c) should never be qualified as a reference to a standard
d) is used only as a measure of hearing loss
e) none of the above
e) none of the above
You thought they would always tell the truth? Somehow? Hah!
What type of accessory or modification for a basic hearing aid might assist the wearer in attending to a speaker in a noisy environment?
a) directional microphone
b) external receiver
c) plugging the vent in the earmold
d) variable gain control
a) directional microphone
Think your way through the options. Only one makes sense.
