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': 'A 5 year old girl came with history of progressively increasing pollor since bih and hepatosplenomegaly. Which of the following is the most relevant test for achieving diagnosis - \nSelect and explain. \nA. Hb electrophoresis, B. Peripheral smear examination, C. Osmotic fragility test, D. Bone marrow examination', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Hb electrophoresis Progressively increasing pollor and hepatosplenomegaly suggest the diagnosis of thalasemia. o Hb electrophoresis is the diagnostic test of choice for thalassemia.", 'role': 'assistant'}]