What Should Happen If a Subject Is Unable to Perform

Multiple Choice

What should happen if a subject is unable to perform a single acceptable spirometry maneuver after eight attempts?

A) The best attempt should be submitted as the patient's spirometry value
B) The vital capacity should be reported but the FEVt should not be reported
C) A bronchodilator should be given and the test tried again
D) Testing may be discontinued or attempted again depending on the patient's condition