After finishing the exercise portion of a test for exercise-induced bronchospasm, a patient complains of difficulty "catching her breath." A pulmonary function technologist should

At the end of a progressive exercise study of a healthy adult male, RER would be approximately what value?

Which of the following sets of FIF data is most consistent with an extrathoracic airway obstruction?

When performing quality control in a body plethysmograph using a 5-L isothermal bottle, the VTG at shutter closure are as follows:

A pulmonary function technologist should

While performing a quality control test on an open circuit nitrogen system, the volume of a 3-liter syringe is measured as 3.9
L. Which of the following is the most probable explanation?