<prompt> 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 -Hb electrophoresisPeripheral smear examinationOsmotic fragility testBone marrow examination  <response>: 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. 