This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Pharmacology
Inhibition of 5-lipoxygenase is useful in 
Select and explain. 
A. Cardiac failure, B. Bronchial asthma, C. Hepatic failure, D. Ahritis
B: Bronchial asthma
Answer: B: Bronchial asthma 
Explanation: Refer KDT 6 /e p223 Leukotriene are potent bronchoconstricting agents, These agents play a major role in the pathogenesis of bronchial asthma The drugs acting by inhibiting their synthesis are useful in the prophylaxis of bronchial asthma