HAC Hearing Aid Maintenance & Repair 3

Question 1

Which of the following is the correct way to clean a silicone earmold?

Accepted Answer

Wash with mild soap and warm water, then dry completely before reattaching

Answer

Silicone earmolds should be washed with mild soap and warm water and must be completely dry before reattaching to the hearing aid to prevent moisture damage.

Question 2

A patient returns with a BTE hearing aid that has a cracked earhook. What is the most appropriate action?

Accepted Answer

Replace the earhook with an identical size and style

Answer

A cracked earhook can cause acoustic leakage and feedback; it should be replaced with the correct size to restore proper function.

Question 3

When storing a hearing aid for an extended period, what is the recommended battery procedure?

Accepted Answer

Remove the battery and leave the battery door open

Answer

Removing the battery and leaving the door open prevents battery leakage and allows residual moisture to escape during storage.

Question 4

A patient notices their hearing aid volume fluctuates intermittently. Which maintenance issue is most likely responsible?

Accepted Answer

Corroded or loose battery contacts

Answer

Intermittent volume fluctuation is a classic sign of poor electrical contact due to corroded or improperly seated battery contacts.

Question 5

What does a blocked microphone port on a hearing aid most commonly cause?

Accepted Answer

Reduced sensitivity and distorted or muffled sound

Answer

A blocked microphone port prevents sound from reaching the transducer, resulting in reduced sensitivity and muffled or distorted audio.

(HAC) Hearing Aid Certification Practice Test

(HAC) Hearing Aid Certification Practice Test

HAC Hearing Aid Maintenance & Repair 3