Overall characteristics of pulmonary function testing results on a patient with obstructive lung disease include that the FEV₁: A) is reduced and FEV1% is normal. B) and FEV₁% are both increased. C) and FEV₁% are both reduced. D) is increased and FEV1% is decreased.

Question

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Because of airway narrowing problems, a patient with obstructive lung disease will have a reduced FEV₁ volume and FEV₁% flow. A patient with restrictive lung problems may have FEV₁ reduced and FEV₁% normal. The other combinations are not seen.

Overall Characteristics of Pulmonary Function Testing Results on a Patient