This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hematology, Subject name: Pediatrics
[{'content': 'Which of the following statements is not true regarding hemolytic uremic syndrome ? \nSelect and explain. \nA. It is a microangiopathic hemolytic anemia, B. Thrombocytopenia and schistocytes are seen in the peripheral blood smear, C. Remal insufficiency is a complication, D. Direct coombs test is positive', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Hemolytic-uremic syndrome (HUS) is a clinical syndrome characterized by progressive renal failure that is associated with microangiopathic (nonimmune, Coombs-negative) In hemolytic uremic syndrome coomb&;s test is usually negative except if associated with s.pneumoniae. Reference: GHAI Essential pediatrics, 8th edition', 'role': 'assistant'}]