单选题下列贫血发生原因不是由于红细胞生成减少造成的是（）A缺铁性贫血B巨幼细胞贫血C再生障碍性贫血D溶血性贫血E白血病
单选题
下列贫血发生原因不是由于红细胞生成减少造成的是（）
A
缺铁性贫血
B
巨幼细胞贫血
C
再生障碍性贫血
D
溶血性贫血
E
白血病
参考解析
解析：
缺铁性贫血是由于铁元素缺乏导致的；巨幼细胞贫血是叶酸和（或）维生素B缺乏所致；再生障碍性贫血和白血病是由于骨髓造血功能障碍所致；以上原因均会导致红细胞生成减少。而溶血性贫血是由于红细胞破坏过多造成的。
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