This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Blood, Subject name: Medicine
[{'content': 'Schistocytes are seen in: \nSelect and explain. \nA. HUS, B. TTP, C. DIC, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. (d) All of the aboveRef: Harrison\'s lTh ed. Ch. 109* Schistocytes are fragmented part of a red blood cells which are typically irregularly shaped, jagged, and have two pointed ends. A true schistocyte does not have central pallor. They are sometimes referred to as "helmet cells"* The presence of schistocytes on the peripheral blood smear suggests red blood cell injury from damaged endothelium and is a characteristic feature of microangiopathic hemolytic anemia.* Microangiopathic hemolytic anemia is an infrequent cause of Coombs-negative intravascular hemolytic anemia, and its causes include:# Thrombotic thrombocytopenic purpura# Hemolytic uremic syndrome# Disseminated intravascular coagulation# Defective valvular prosthesis.', 'role': 'assistant'}]