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CALIFORNIA HEARING AID DISPENSER WRITTEN PREP QUESTIONS AND ANSWERS $9.00   Add to cart

Exam (elaborations)

CALIFORNIA HEARING AID DISPENSER WRITTEN PREP QUESTIONS AND ANSWERS

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  • Hearing aid dispenser
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  • Hearing Aid Dispenser

CALIFORNIA HEARING AID DISPENSER WRITTEN PREP QUESTIONS AND ANSWERS

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  • September 26, 2024
  • 252
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Hearing aid dispenser
  • Hearing aid dispenser
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239 Multiple choice questions

Definition 1 of 239
Exaggerated perception of loudness in an ear w/ SNHL

Recruitment

Selection

Resonance

Summation

Definition 2 of 239
AC: Flat to sloping
WR: Weak to excellent
ABG: Present, but not equal at all frequencies
Tympanogram: flat or abnormal shaped
Recruitment: slight or none, exceptions are common
Acoustic reflexes: absent
Tinnitus: Varies case by case

Mixed HL summary on classification


Binaural degradation


Head shadow effect

Amplitude distortion

Definition 3 of 239
30 dB 1000Hz

Masker noise presented by AC/BC is:


Vent size for a moderately-severe hearing loss:

Vent size for a mild hearing loss:


Pure tone testing should begin at

,Definition 4 of 239
International Outcome Inventory for Hearing Aids
- 7 core outcome questions
-scale of 1 to 5
-Favors patients whose 1st language is not English

REIG

HHIE


IOI-HA

APHAB

Definition 5 of 239
Usually seen when there is an excess of HF Gain
-May be described as paper rustling, keys rattling, glass plates uncomfortable/unbearable.


Solutions: Reduce vent size, add a damper, active HF Potentiometer.
Repair/reprogram: Decrease the slope, reduce HF gain, add more LF gain, add an external
receiver tube, lengthen the canal of the HA.

If a patient complains of "tinniness", what is occurring? What are some solutions? How
can this be repaired/program adjusted?

If a patient complains their voice sounds like they are"in a barrel " or "echo quality", what
could be occurring?


If a patient has a mild to moderately severe HL, what type of earmold material be used?

If a patient complains that they sound like they are "in a barrel", what are some
solutions? What repair/reprogramming could be made?

,Definition 6 of 239
AC: Sloping
WR: Weak to good
ABG: None
Tympanogram: Normal
Recruitment: almost always present
Acoustic reflexes: present if HL is less than 70 dB
Tinnitus: Ringing or hissing if present

Amplitude distortion

Disadvantage Of silicone earmolds

Binaural degradation

SNHL Summary on classification

Definition 7 of 239
Client Oriented Scale of Improvement
-> Outcome measure determining benefit
-> 5 Listening situations seeking to improve w/ amplification
-> 2 Reports: Relative degree of change and absolute audibility
"Metric of benefit"

Vent sizes for degree of hearing loss at 500 Hz

COSI

SDT

REIG

Definition 8 of 239
spread of pathogens via air, drinking water, and food, as well as bodily fluids being handled
outside the body

Airborne Transmission

Vehicle Transmission

Expansion

Critical Bands

, Definition 9 of 239
-umbo
-handle of malleus
-short process of malleus
-pars tensa
pars flaccida
-light reflex




Tympanic membrane landmarks

Disadvantages of Acrylic/Lucite Earmolds:

Masking procedures for WR

Droplet contact transmission

Definition 10 of 239
1. Acoustic Energy: Sound strikes TM
2. Mechanical Energy: Ossicles vibrate and push the signal through the footplate of the stapes
at the oval window
3. Hydraulic energy: Pressure wave is propagated throughout the cochlea
4. Chemical energy: Hair cell activity
5. Electrical energy: Nerve transmission to the brain

Pathway of sound and energy exhange

3 primary functions of the outer ear:

Mixed HL summary on classification

Why is masking necessary?

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