When evaluating a forced vital capacity maneuver postbronchodilator use to determine the reversibility of any airway obstruction, what percent increase in FEV₁ is needed to be able to say the treatment was effective? A) 5% B) 10% C) 15% D) 20%

Question

Quizplus · Accepted Answer

Although improvements in other measurements of pulmonary function are sometimes used, reversibility is defined as a 15% or greater improvement in FEV₁.

When Evaluating a Forced Vital Capacity Maneuver Postbronchodilator Use to Determine