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 is absorbed actively in the - \nSelect and explain. \nA. Stomach, B. Duodenum, C. Terminal ileum, D. Proximal ileum', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Duodenum Iron is absorbed in the duodenum and proximal jejunum.", 'role': 'assistant'}]