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CD 444 Test 2 – Questions & Detailed Answers (Solved)
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CD 444 Test 2 – Questions & Detailed Answers (Solved)
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CD 444 Test 2 – Questions & Detailed Answers (Solved)Infants identified with hearing loss can be fit with amplification by as young as
____ weeks of age. Right Ans - 4
Amplify frequencies where hearing loss occurs
ideally, makes soft sounds audible, average sounds comfortable, and loud
sounds tolerable
Purpose of a? Right Ans - hearing aid
_______ can never exceed loudness discomfort level Right Ans - output
The amount by which a signal is amplified Right Ans - gain
What goes into the hearing aid Right Ans - input
What comes out of the hearing aid Right Ans - output
If 50 db goes into hearing aid and 95 comes out, what is the gain? Right Ans
- 45 db
The frequency region amplified by hearing aid Right Ans - frequency
response
True or false: a hearing aid amplifies only where hearing loss occurs Right
Ans - true.
People with a SNHL often have reduced ________ _________ Right Ans -
loudness tolerance
Range of hearing between threshold and loudness discomfort level; range of
usable hearing Right Ans - dynamic range
Normal dynamic range? Right Ans - 110 db dr
A normal listener can use sound occurring between 0 and ______ db Right
Ans - 110
,_____ ______ is picked up by microphone which converts it from acoustic to
electric or digital signal Right Ans - input signal
the _____ converts signal back to acoustic energy Right Ans - receiver
_____ ____ is delivered into the ear canal Right Ans - output signal
______ is amplified Right Ans - signal
name the hearing aid components Right Ans - input
microphone
amplifier
receiver
output
two types of hearing aids Right Ans - in the ear and behind the ear
traditional transistorized electronic circuits; no longer commonly used
Right Ans - analog hearing aids
microchip based technology programmed to fit individual hearing loss using
computer technology; can have multiple memories for different listening
environments; can process sounds in ways that are much more sophisticated
than analog hearing aids; some can be used with remote controls or other
wireless accessories; range of costs and options! Right Ans - digital hearing
aid
full shell; in the canal, completely in the canal Right Ans - in the ear hearing
aids
traditional with ear mold; newer design with slim tube and tip or RIE Right
Ans - behind the ear hearing aid
instrument fits behind the ear and connects to an earmold that fits in the ear;
earmold is custom made for individual ear Right Ans - behind the ear
hearing aid
style and material chosen for ear mold depends on? Right Ans - degree of
hearing loss and personal preference
, true or false: ear molds never have to be replaced Right Ans - false
made from an impression of a person's ear; children out grow them, changes
in weight can effect fit Right Ans - ear molds
true of false: hearing aids can come in a variety of colors Right Ans - true
can fit a wide range of hearing loss
msot powerful aid, so it is used for severe to profound hearing loss
used for most children
lowest repair rate
has longest life expectancy Right Ans - behind the ear hearing aids
BTE technology using slim tubing or receiver and stock tips instead of
traditional ear molds (less visible, does not have to be custom ordered, more
natural sound quality) Right Ans - slim tube receiver in ear technology
can reduce occlusion effect, especially for client with high frequency hearing
loss Right Ans - slim tubefitting
all components of this HA fit in a shell in the concha and ear canal Right
Ans - in the ear hearing aids
fills all of the concha, largest of ITE aids Right Ans - full shell in the ear
hearing aids
fills opening of the ear canal, middle sized ITE aid Right Ans - in the canal
hearing aid
fills the ear canal; fits deeper into ear canal that other hearing aids; smallest of
the ITE hearing aids Right Ans - completely in the canal hearing aid
blue is _____ Right Ans - left
red is _____ Right Ans - right
remote for volume and program changes
bluetooth telephone accessories stream phone signal directly to hearing aids
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