A) Stop the test and ask the subject whether the subject has diabetes.
B) Stop the test because the subject obviously ate before the test.
C) Stop the test and recalibrate the instrument.
D) Instruct the subject to stop hyperventilating.

A) Six-minute walk with pulse oximetry to document hypoxemia
B) Five minutes of treadmill exercise at 1.7 mph,10% grade
C) Four to 6 minutes of treadmill exercise at 5 METs with blood gases
D) Cycle ergometer exercise at 85% predicted maximum HR with pulse oximetry

A) Allow flow into the alveoli.
B) Prevent artifact caused by the cheek muscles.
C) Zero the pressure measuring apparatus before the maneuver.
D) Stabilize the chest wall during airway occlusion.