试题与答案

婴儿生后2～3个月时红细胞数降至3.0×10／L，血红蛋白量降至110g／L是（）

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题型：单项选择题 A1/A2型题

题目：

婴儿生后2～3个月时红细胞数降至3.0×10／L，血红蛋白量降至110g／L是（）

A.生理性贫血

B.溶血性贫血

C.营养性缺铁性贫血

D.营养性巨幼细胞贫血

E.再生障碍性贫血

答案：

参考答案：A

解析：胎儿红细胞寿限较短，红细胞破坏较多，婴儿生长发育迅速，血液循环量增加迅速增加。这些因素使红细胞数和血红蛋白量逐渐降低，至生后2～3个月时红细胞数降至3.0×10／L，血红蛋白量降至110g／L左右，出现轻度贫血，称为"生理性贫血"。

考点：护士护理考试儿科护理主管护师主管护师(儿科护理)专业知识模拟试题三
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