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': 'True about iron administration \nSelect and explain. \nA. Iron-sorbitol-citric acid is given IV, B. Iron-dextran binds to transferrin, C. Iron-dextran is not excreted, D. Iron-dextran has low molecular weight', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is'c'i.e., Iron-dextran is not excreted.Ref: KDT llth/e p. 572", 'role': 'assistant'}]