RPFT Practice Questions - NBRC Registered Pulmonary Function Technologist Exam

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A spirometer is being calibrated using a 3-liter calibration syringe. The spirometer reads 2.88 liters on three consecutive trials. What is the most appropriate action?

Continue testing because the error is within acceptable limits Replace the calibration syringe immediately Adjust the spirometer calibration factor before testing Report the spirometer as defective and remove it from service

Correct Answer:

Adjust the spirometer calibration factor before testing

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