Exam-style question
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What is a limitation of hearing aids in correcting hearing loss?.
- A.They can amplify all sounds equally.
- B.They are effective for all types of hearing loss.
- C.They require regular battery changes.
- D.They can restore hearing to normal levels.
Model answer
What a good answer should say
- They can amplify all sounds equally.
Explanation
Why this works
Hearing aids amplify sound but do not discriminate between different frequencies, which can lead to distortion, especially in noisy environments. This is a limitation as they may not effectively improve hearing in all situations.
Common mistake
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