Week 2.2

Question 1

What are the two types of verification processes?

Answer 1

On ear verification and test box verification.

Question 2

What are the two kinds of coupler, and which types of hearing aid are they used with?

Answer 2

HA2: BTE
HA1: everything else

Question 3

What are the advantages and disadvantages of test box?

Answer 3

ADVANTAGES: microphones don’t move, no artifact from ambient noise

DISADVANTAGE: doesn’t include client in the process

Question 4

What are the advantages and disadvantages of on the ear?

Answer 4

ADVANTAGES: patient included in the process, can be used to troubleshoot

DISADVANTAGES: requires patient to be still and quiet, artifact

Question 5

What is RECD?

Answer 5

Compares size of an individual’s ear canal to that of an average ear canal, allowing for a more accurate fittign

Question 6

What is MPO?

Answer 6

Maximum power output, ensure HA does not amplify loud sounds to be too loud to cause damage

Question 7

What do the colours on a speech map mean?

Answer 7

Green cross: targets of the prescriptive formula
Green: hearing with the hearing aid
Blue: hearing without hearing aid
White: normal person’s hearing