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: Pediatrics
[{'content': "6 months old infant with Hb of 6 gm% has anaemic features with peripheral blood showing target cells. Family history of similar complaints is (Positive). Diagnosis can be best done with which of the following – \nSelect and explain. \nA. Hb electrophoresis, B. ELISA, C. Coomb's Test, D. Osmotic fragility", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Presence of :\n\n\nAnaemia (Hb < 6%),\xa0\xa0\nTarget cells,\nIncrease reticulocytes suggests the diagnosis of thalassemia.\n\n\nThalassemia is a hemoglobin disorder. Hemoglobin disorders are diagnosed by electrophoresis.\nDiagnosis of thalassemia is confirmed by serum electrophoresis.', 'role': 'assistant'}]