<prompt> All of the following drugs useful in the treatment of a patient with acute bronchial asthma except :IpratropiumSalbutamolMontelukastHydrocoisone  <response>: Answer is C Montelukast: Leukotriene modifiers eg. Monteleukast, Zafirulukast may be considered as alternatives to low dose inhaled coicosteroids in patients with mild persistent asthma - CMDT They have no role in aboing an attack of acute severe asthma. 