The following values are obtained using a 3-liter calibration syringe during volume calibration of a dry-rolling spirometer:
2.80 L
2.79 L
2.82 L
The performance of this spirometer is best described as

A comparison of two techniques for measuring Rawis shown below:

Which of the following should a pulmonary function technologist conclude?

A 54-year-old male with a normal ECG at rest develops dyspnea during an exercise (stress) test, and the following ECG pattern is noted at 25 watts:

25 mm/sec A pulmonary function technologist should

During the calibration and set-up of the metabolic stress testing system for a patient breathing supplemental oxygen, which of the following gas concentrations will ensure accurate calibration of the system?

A 45-year-old female with sarcoidosis has pulmonary function tests annually. The following data have been recorded:

A pulmonary function technologist should conclude that