Exam (elaborations)
CD 444 Exam 2: Questions & Accurate Answers (Pass!)
- Course
- Institution
CD 444 Exam 2: Questions & Accurate Answers (Pass!)
[Show more]
Content preview
CD 444 Exam 2: Questions & Accurate Answers (Pass!)Infants identified with HL can be fit with amplification by as young as ___ _____
of age Right Ans - 4 weeks
* Purpose of Hearing Aid *
- ____ frequencies where HL occurs
- Ideally:
* Make soft sounds ______
* Make average sounds more ______
* Make loud sounds _____
- Output can never exceed loudness _____ _____ Right Ans - amplify, audible,
comfortable, tolerable, discomfort level
the amount by which a signal is amplified Right Ans - (hearing aid) gain
* Example of Hearing Aid Gain *
- 50 dB goes into hearing aid (input)
- 95 dB comes out of hearing aid (output)
- Gain is ____ dB Right Ans - 45
the frequency region amplified by hearing aid Right Ans - frequency
response
* True or False? *
Hearing aid amplifies all frequencies, not just the frequencies where hearing
loss occurs Right Ans - False
range of hearing between threshold and loudness discomfort level; range of
usable hearing Right Ans - dynamic range of hearing
What type of hearing loss usually has reduced loudness tolerance? Right
Ans - sensorineural
Normal dynamic range of hearing:
,110 dB LDL - 0 dB threshold = ____ dB DR Right Ans - 110
Reduced dynamic range
95 dB LDL - 50 dB threshold = ___ dB DR Right Ans - 45
* Hearing Aid Components *
1. _____ signal is picked up by ____ which converts it from _____ to ______/digital
signal
2. Signal is ______
3. ______ converts signal back to ____ energy
4. Output signal is delivered into ___ ____ Right Ans - input, microphone,
auditory, electric, amplified, receiver, auditory, ear canal
traditional hearing instrumental technology uses transistorized electronic
circuits; no longer commonly used Right Ans - analog
hearing instrument technology using microchip based technology Right
Ans - digital
Which level of hearing instrument technology is most commonly used today?
Right Ans - digital
* Level of Hearing Instrument Tech: Digital *
- Programmed to fit individual HL using ____ tech
- Can have multiple ______ for different listening environments
- Can process sound in ways much more sophisticated than ____ HAs
- Some used with ___ ___ or other wireless accessories
- Range of ____ and options Right Ans - computer, memories, analog, remote
controls, costs
*Type of hearing aid*
all components fit in shell in choncha and ear canal Right Ans - in-the-ear
, List the 3 types of in-the-ear hearing aids
1. ____ _____
2. ___-___-____
3. _____-___-_______ Right Ans - full shell, in-the-canal, completely-in-canal
* Type of hearing aid *
instrument fits behind and connects to an earmold that fits in ear; earmold is
custom to each individual ear
(style & material of earmold depends on degree of HL and personal
preference) Right Ans - behind-the-ear
List the 2 types of behind-the-ear hearing aids
1. Traditional with _____
2. Newer design with slim ____ and ___ or _____ Right Ans - earmold, tube, tip,
RIE (receiver in ear)
Type of behind-the-ear hearing aid called RIE, which stands for... Right Ans
- receiver in ear
* Earmolds *
- _____ periodically
- Good for ______
- Changes in ____ can affect fit Right Ans - replaced, children, weight
* Applications for BTE Hearing Aid *
- Can fit ____ range of HL
- Most ____ aid, used for ____ to ___ HL
- Used most for ____
- Lower ____ rate
- Has longest ____ ____ Right Ans - wide, powerful, severe, profound,
children, repair, life expectancy
* Slim Tube/Receiver-in-Ear Technology *
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Studyhall. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
78252 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now