问题
单项选择题
骨髓增生性疾病的发病机制与下列哪一项有关（）
A.骨髓造血干细胞克隆异常
B.骨髓细胞增生异常
C.造血功能异常
D.免疫功能异常
E.造血原料异常
答案
参考答案：A
解析：骨髓增生性疾病的发病机制是骨髓造血干细胞克隆异常。嗜碱性粒细胞持续＞0.1×109／L，是骨髓增生性疾病的共同特征。
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骨髓增生性疾病的发病机制与下列哪一项有关（）
A.骨髓造血干细胞克隆异常
B.骨髓细胞增生异常
C.造血功能异常
D.免疫功能异常
E.造血原料异常
参考答案：A
解析：骨髓增生性疾病的发病机制是骨髓造血干细胞克隆异常。嗜碱性粒细胞持续＞0.1×109／L，是骨髓增生性疾病的共同特征。
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