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
In which of the following microcytic hypochromic anemia is not seen? 
Select and explain. 
A. Iron deficiency anemia, B. Anemia of chronic disease, C. Thalassemia, D. Aplastic anemia
D: Aplastic anemia
Answer: D: Aplastic anemia 
Explanation: 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.