Vendor: Test Prep
Exam Code: RPFT
Exam Name: Registry Examination for Advanced Pulmonary Function Technologists
Certification: Test Prep Certifications
Total Questions: 111 Q&A
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Updated on: Jun 16, 2026
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When using a variable pressure plethysmograph, a leak in the door seal that develops subsequent to calibration will cause underestimation of
A. Raw
B. VTG
C. Alveolar pressure
D. vital capacity
The following biologic control data ranges were established:

The following additional data were obtained when assessing the equipment:

Which of the following should a pulmonary function technologist do?
A. Change the CO2 and H2O absorbers.
B. Continue testing patients.
C. Change the DLco CO analyzer.
D. Check the flow sensor.
A patient's bronchial provocation test was interpreted as positive for hyperreactive airways. Considering changes from a pre-challenge baseline, all of the following are consistent with this interpretation EXCEPT a
A. 25% decrease in Raw.
B. 25% decrease in FEFmax.
C. 25% increase in FRC.
D. 25% decrease in FEF25-75%.
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