A subject has the following values reported:

What is the SGAW?

During calibration of a spirometer, injection of air with a 3-liter syringe results in the following:
Using another 3-liter syringe, air is again injected with the following results:
A pulmonary function technologist should conclude that the

While assessing a patient's expired gases at rest prior to exercise, a pulmonary function technologist calculates the RER as 0.6. Which of the following is the most likely explanation?

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

A patient will undergo bronchial provocation testing with methacholine chloride (Provocholine). Baseline spirometry reveals the FVC is 4.00 L and FEV1is 3.00 L.
The provocative dose 20% (PD20) can be calculated when which of the following measurements occur?