<prompt> The pulmonary function test done on this patient of asthma would beNon-infarmativeObstructive patternRestrictive patternDestructive pattern  <response>: The patient is having atopic asthma.Pulmonary function tests in asthma show an obstructive pattern with reduced FEV1,FEV1FVC ratio.Reversibility is demonstrated by a 12 and 200 ml increase in FEV1 15 minutes after an inhaled sho acting beta2 agonist or in some patients by a 2 to 4 week trial of oral coicosteroids. Ref:Harrisons medicine-18th edition,page no:2109. 