Airways resistance and specific conductance tests are requested for a 7-year-old child with asthma. Which of the following techniques is preferred?

The following values are reported at maximum effort for a 50-year-old, 70-kg (154-lb) male with significant coronary artery disease during ergometer stress testing. Which of the following is most likely an error?

A subject has the following values reported:
What is the SGAW?

At maximum exercise, a 24-year-old patient's heart rate is 150/min with a VO2 of 750 mUmin. The calculated
02 pulse is most consistent with which of the following?

During a linearity check of a flow sensor in a plethysmograph with a 3-liter calibration syringe, a pulmonary function technologist observes the following:

Which of the following should the technologist do?