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: Pathology
[{'content': 'Iron deficiency causes - \nSelect and explain. \nA. Megaloblastic anemia, B. Microcytic hypochromic anemia, C. Macrocytic 1 -nochromic anemia, D. Microcytic hypochromic anemia', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Microcytic hypochromic anemia", 'role': 'assistant'}]