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: Pathology
Appearance of characteristic “burr cells”,  “helmet cells” and “triangle cells” in peripheral blood smears is indicative of: 
Select and explain. 
A. Polychromasia, B. Anisocytosis, C. Poikilocytosis, D. Schistocytosis
D: Schistocytosis
Answer: D: Schistocytosis 
Explanation: Mechanical fragmentation of red cells (schistocytosis) leads to the appearance of characteristic “burr cells”, “helmet cells” and “triangle cells” in peripheral blood smears.