<prompt> All the following statements about leukotriene modifers in the management of bronchial asthma are true exceptMay be used for acute asthmaMay be used for exercise induced asthmaZileuton is leukotriene modiferMay uncover chrug Strauss syndrome  <response>: Leukotriene modifers monteleukast,zafirulukast may be considrrco as alternatives to low dose inhaled coicosteroids in patients with mild persistent asthma . Has no role in treating acute severe asthma Ref Harrison 19th edition pg 1673 