This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidney, Subject name: Pathology
[{'content': 'About HUS all are true except - \nSelect and explain. \nA. Most commonly caused by verocytotoxic Coli, B. Causes mild to severe coombs positive hemolytic anemia, C. Recurrences rare, D. Transient thrombocytopenia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) Causes mild to severe coombs positive hemolytic anemia(Ref: Robbins 9th/pg 942-943; 8th/pg 952-953)Typical HUS gives rise to coombs negative hemolytic anemia because autoantibodies are absent; HUS & TTP have been explained in detail in the chapter 12 on Bleeding disorders.', 'role': 'assistant'}]