A 17-year-old patient with asthma performs three spirometry trials: 
The pulmonary function technologist should do which of the following?
A) Report the values from Trial 3.
B) Average the data from Trials 2 and 3.
C) Calibrate the spirometer and repeat all three trials.
D) Perform at least one more maneuver.
Correct Answer:
Verified
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