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Exit VCEDump RPFT Registry Examination for Advanced Pulmonary Function Technologists

Q4 Single choice

Which of the following is the most reliable method to estimate the effectiveness of standard procedures to minimize the risk of cross-contamination during spirometry testing in a pulmonary function laboratory?

A
Count the number of disposable mouthpieces used for 1 week.
B
Observe the handwashing behavior of each technologist.
C
Ask patients tested about laboratory hygiene.
D
Ask technologists if they wash their hands before each test

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