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': 'These types of RBCs are seen in which condition? \nSelect and explain. \nA. Hereditary spherocytosis, B. CRF, C. Myelofibrosis, D. Myelodysplastic syndrome', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B. CRFBurr cells are seen in CRF. In this RBCs have shell-like appearance. In CRF hyper-segmentation of the neutrophil nucleus are also seen.', 'role': 'assistant'}]