Question 1
Per ATS/ERS 2017 DLCO standards, what is the approximate carbon monoxide (CO) concentration in the standard test gas mixture?
Correct Answer:
0.3%
Question 2
Which gas is typically used as the "zero" gas when calibrating gas analyzers for diffusing capacity measurements?
Correct Answer:
Nitrogen or helium
Question 3
How often should volume-type spirometers be leak-tested according to ATS/ERS standards?
Correct Answer:
Daily
Question 4
A body plethysmograph must be capable of measuring thoracic gas volume (TGV) to within what accuracy?
Correct Answer:
±5%
Question 5
When performing a 3-liter syringe calibration check on a spirometer, how many strokes should be performed?
Correct Answer:
5 strokes
Question 1
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About this Exam

Prepare with the CPFT Practice Questions - Certified Pulmonary Function Technologist (NBRC) Exam practice quiz. This question bank includes 100 questions covering spirometry, dlco, patient, acceptable, and spirometer. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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CPFT Practice Questions - Certified Pulmonary Function Technologist (NBRC) Exam

This practice set contains 100 questions from the matching question bank and focuses on spirometry, dlco, patient, acceptable, and spirometer. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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