This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urinary tract, Subject name: Pediatrics
[{'content': 'The features of Hemolytic Uremic Syndrome in children include \nSelect and explain. \nA. "Helmet cells" in peripheral blood smear, B. Thrombocytopenia, C. Positive coomb\'s test, D. Hypothyroidism', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Hemolytic-uremic syndrome (HUS) is a group of blood disorders characterized by low red blood cells, acute kidney failure, and low platelets. Initial symptoms typically include bloody diarrhea, fever, vomiting, and weakness.Kidney problems and low platelets then occur as the diarrhea is improving.While children are more commonly affected, adults may have worse outcomes.Complications may include neurological problems and hea failure. Reference: GHAI Essential pediatrics, 8th edition', 'role': 'assistant'}]