CPFT Practice Exam 2026 – Complete Test Prep Guide

Question: 1 / 400

How often should a PFT calibration be checked?

Weekly before testing sessions

Daily before testing sessions

The calibration of pulmonary function testing (PFT) equipment is critical for ensuring the accuracy and reliability of test results. Conducting a calibration check daily before testing sessions helps guarantee that the instruments are functioning properly and providing accurate measurements. This frequent calibration is essential, as factors such as temperature, humidity, and equipment wear can affect the performance of testing devices. By calibrating daily, clinicians can identify any discrepancies or malfunctions that may arise, thereby maintaining the integrity of the testing process and ensuring patient safety. Regular calibration establishes a standard of care and is a best practice in respiratory care, allowing health care providers to offer the most effective diagnostic services possible.

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Monthly before testing sessions

Only when a problem is suspected

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