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': 'Long acting coicosteroid is ? \nSelect and explain. \nA. Triamcinolone, B. Betamethasone, C. Hydrocoisone, D. Prednisolone', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Betamethasone Sho acting glucocoicoids (t1/2 : 8-12 hrs.) : Coisol, hydrocoisone. Intermediate acting glucocoicoids (t1/2 : 12-36 hrs.) : Prednisolone, methylprednisolone, triamcinolone. Long acting glucocoicoids (t1/2 : 36-54 hrs.) : Dexamethasone, betamethasone.", 'role': 'assistant'}]