<prompt> Inhibition of 5-lipoxygenase is useful in -Cardiac failureBronchial asthmaHepatic failureAhritis  <response>: Ans. is b i.e., Bronchial Asthma Lipoxygenase acts on Arachidonic acid to release leukotrienes which are impoant inflammatory mediators. They are respnsible for the bronchospasm during asthma attack. o So as obvious any drug which inhibits 5 lipoxygenase will prevent the formation of Leukotrienes and will be useful in the tit of Asthma. 