unit 2

Question 1

checking hearing aids

Answer 1

use a hearing aid stethoscope
connects to their aid
think about what their loss is to understand what the aid should sound like
-missing the uppers- should sound like treble

Question 2

using an otoscope

Answer 2

3/4 and younger use a peds tip

use adult for older

Question 3

hearing aid

Answer 3

picks up sound (acoustic energy) with a microphone
transduced to mechanical energy to electrical to acoustic again
-an amplifier

A small electronic device that is worn in or behind the ear
It magnifies sound vibrations entering the ear making sounds louder and clearer for the user

Question 4

digital vs. analog

Answer 4

analog is manually adjusted
digital is changed on a computer
digital is much clearer

Question 5

types of hearing aids

Answer 5

behind the ear
in the ear
in the canal aids
completely in the cancel aids
implantable aids

Question 6

behind the ear

Answer 6

ear mold and tube- putting as little in the ear canal as possible
traditional- power
-connected to an ear mold
-the bigger it is the more power it has
thin tube
-electronics in the hearing aid, just a tube in the ear
Receiver in the canal (RIC)
receiver, speaker in the tube

Location:
- Located behind the ear
- Has a hook that attaches to the earmold
Advantages:
Who? Can be fit to any motivated HI person
Has a lot of flexibility with features
Greater gain & MPO than smaller hearing aids
Telecoil is stronger than with smaller hearing aids
Only the earmolds need to be replaced as ears grow and change size/shape
–can use a loaner with their ear mold if it needs worked on
DAI is available (important for students)
Suitable for ears with medical problems
Possible Issues/Disadvantages:
More conspicuous than smaller aids
May fall off during work or recreation
May seem more difficult to insert, remove, and adjust volume control than a smaller hearing aid

Question 7

In the ear (ITE)

Answer 7

fills up the entire apichure of the ear

custom fit to the person

Question 8

kids generally have behind the ear. Why?

Answer 8

in the ear is a custom made aid, it would be hard to get that for a child because they are growing
a non fitting mold causes sound quality changing, whistling (feedback)

Question 9

in the canal

Answer 9

provides a better look, but less flexibility to change the sound

Question 10

mic and helix

Answer 10

the mic is in a tub that rests in the helix of the pinna so that the mic faces forward

Question 11

feedback

Answer 11

when the mic is picking up the amplified sound the system is emitting