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: Unknown
[{'content': 'Microangiopathic Hemolytic anemia seen in: \nSelect and explain. \nA. HUS, B. HTN, C. SLE, D. All', 'role': 'user'}, {'content': "Answer: D \nExplanation: Micro-angiopathic Hemolytic anemia occurs when red blood cells are forccd to squeeze through abnormally narrowed small vessels. Narrowing is most often caused by fibrin deposition in association with DIC. Other causes of micro-angiopathic hemolytic anemia are:\nMalignant hypertension\nSLE\nThrombotic Thrombocytopenic purpura.\nHUS\nDisseminated cancer.\n\xa0\nThe common feature among all these disorders is a Micro vascular Lesion that cause mechanical injury to circulating Red blood cells. In blood smear in the form of red cell fragments (schisocytes) burr cells, helmet cells and triangle cells are seen. Some important Point:\n\xa0\nMost common cause of Anemia in world is Iron deficient Anemia.\n\xa0\nMost sensitive and specific test for diagnosis of from deficiency is serum ferritin levels.\n\xa0\nHyper segmented neutrophilis are a feature of megaloblastic anemia and not iron deficient anemia.\n\xa0\nCause of microcytic hypochromic anemia Mnemonics: Tiny CLIPS ' Iron deficient Anemia\n\xa0\nThaiassaemia\nSideroblastic anemia,\nLead poisoning\nAnemia of chronic disease.\nPyridoxin deficit anemia.", 'role': 'assistant'}]