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': 'Which of the following is the most potent glucocoicoid: March 2010 \nSelect and explain. \nA. Hydrocoisone, B. Prednisolone, C. Betamethasone, D. Triamcinolone', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C: Betamethasone Betamethasone and dexamethasone are very potent and highly selective glucocoicoids. Long acting, causes marked pituitary-adrenal suppression, but fluid retention and hypeension is not a problem. Hence they are preferred in situations in which fluid retention must be avoided like cerebral edema.', 'role': 'assistant'}]