This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Inhibition of 5–lipoxygenase is useful in : 
Select and explain. 
A. Cardiac failure, B. Bronchial asthma, C. Hepatic failure, D. Arthritis
B: Bronchial asthma
Answer: B: Bronchial asthma 
Explanation: Leukotrienes are potent bronchoconstricting agents. These agents play a major role in the pathogenesis of bronchial asthma. The drugs acting by inhibiting their synthesis (i.e. lipoxygenase inhibitors) or action (Cys-LT receptor antagonists) are useful in the prophylaxis of bronchial asthma.