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

The desiccant column on an infrared CO2 analyzer is pink. The readings obtained from this analyzer would result in

A treadmill belt stops for a fraction of a second each time the patient takes a step. A pulmonary function technologist should

An arterial blood gas performed prior to exercise on a 45-year-old patient shows the following results:

A pulmonary function technologist should conclude that the patient's

A pulmonary function technologist is performing quality control on a nebulizer used in the 5-breath dosimeter bronchial challenge. The target output of the device is 0.09 mL, plus or minus 10%. After 10 actuations, the nebulizer output was 75 µL with a 2.0 mL initial saline dose in the nebulizer. The technologist should