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
[{'content': 'A widely used drug that suppresses cellular immunity inhibits prostaglandin and leukotriene synthesis and increases the catabolism of IgG antibody is : \nSelect and explain. \nA. Cyclophosphamide, B. Prednisone, C. Cyclosporine, D. Infliximab', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Glucocorticoids are powerful immunosuppressants. These inhibit both cellular and humoral immunity by:\n\nDecreasing the recruitment of immune cells.\nCatabolism of immunoglobulins.\nInhibiting the enzyme phospholipase A2 resulting in decreased production of PGs, LTs and TXs.', 'role': 'assistant'}]