This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Misc. (R.B.C), Subject name: Pathology
[{'content': 'Pure red cell aplasia is associated with all except? \nSelect and explain. \nA. ABO incompatibility after renal transplant, B. 5q- syndrome, C. Drugs, D. Large granular lymphocytic leukemia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) 5q- syndrome(Ref: 9th/pg 653-655)Pure red cell aplasia is not associated with 5q- syndrome Pure red cell aplasia is a primary marrow disorder in which only erythroid progenitors are suppressed.', 'role': 'assistant'}]