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': 'An infant with history of diarrhoea 5 days back has urea 200 mg% and creatinine 5 mg%. The platelet count is 90000. Fragmented R.B.C s are found in the peripheral smear. The most possible diagnosis – \nSelect and explain. \nA. HUS, B. TTP, C. ITP, D. Hemolytic anemia', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The clues in this question are -\n\nHistory of diarrhoea\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\nRaised BUN and creatinine\nThrombocytopenia\xa0\nFragmented RBCs in the peripheral smear\xa0\xa0\n\nAll these suggest the diagnosis of HUS.', 'role': 'assistant'}]