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Hearing Aid Verification and Validation Are One and the Same

question 4

True/False

Hearing aid verification and validation are one and the same.


Definitions:

ERV

Expired Reserve Volume; the additional amount of air that can be forcibly exhaled after the completion of a normal, quiet expiration.

AFB

Acid-fast bacillus, a type of bacteria that is resistant to decolorization by acids during staining procedures; commonly used to refer to tuberculosis-causing bacteria.

MDR TB

Multi-Drug Resistant Tuberculosis, a form of TB that is resistant to at least isoniazid and rifampicin, the two most powerful tuberculosis drugs.

Chronic Pulmonary Disease

A group of lung diseases that block airflow and make it difficult to breathe; commonly includes conditions like chronic bronchitis and emphysema.

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