This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other topics and Adverse effects, Subject name: Pharmacology
[{'content': 'A widely used drug that suppresses cellular immunity, inhibits prostaglandin and leukotrine 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: (Ref: KDT 6/e p828, 838) Glucocoicids are powerful immunosuppresants. These inhibit both celelular and humoral immunity by: Decreasing the recruitment of immune cells. Catabolism of immunoglobulins.', 'role': 'assistant'}]