This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
[{'content': 'Chelating agent used in chronic thalassemia major for iron overload \nSelect and explain. \nA. Oral desferroxamine, B. EDTA, C. Deferiprone, D. IV Deferoxamine', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Defepreninone is oral chelating agent used for chronic use. Whereas desferioxamine is an iron chelator given IV .EDTA is a chelating agent used in blood banks. Ref: KDT 6/e p868', 'role': 'assistant'}]