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': 'Iron poisoning in 4 year child is treated by : \nSelect and explain. \nA. Stomach lavage, B. Desferrioxamine IV 100 mg, C. X-ray abdomen, D. Blood transfusion', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]