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: Medicine
[{'content': 'In which of the following microcytic hypochromic anemia is not seen? \nSelect and explain. \nA. Iron deficiency anemia, B. Anemia of chronic disease, C. Thalassemia, D. Aplastic anemia', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Causes of hypochromic microcytic anemias are (a) iron deficiency (b) anemia of chronic inflammation (c) sideroblastic anemia and (d) thalassemia. In aplastic anemia the pathology is bone marrow failure.', 'role': 'assistant'}]