You Perform a Series of Pulmonary Function Tests on a Patient

Multiple Choice

You perform a series of pulmonary function tests on a patient with a potentially infectious disease carried via the airborne route. Which of the following infection-control procedures should you implement?
1) Wear a respirator or close-fitting surgical mask.
2) Dispose of, sterilize, or disinfect the tubing circuit after testing.
3) Clean the interior surface of the spirometer before the next test.

A) 1 only
B) 1 and 2 only
C) 2 and 3 only
D) 1, 2, and 3