单选题患儿男，18个月。近3个月出现疲乏无力，注意力不集中，面色苍白，轻微异食癖现象，血常规：血红蛋白80g/L，红细胞2.5×10/L。患儿确诊后，医生及时给予补充所缺乏的造血物质，患儿治疗有效的最早期表现是（）A面色红润B网织红细胞升高C血红蛋白升高D铁蛋白升高E红细胞升高
单选题
患儿男，18个月。近3个月出现疲乏无力，注意力不集中，面色苍白，轻微异食癖现象，血常规：血红蛋白80g/L，红细胞2.5×10/L。患儿确诊后，医生及时给予补充所缺乏的造血物质，患儿治疗有效的最早期表现是（）
A
面色红润
B
网织红细胞升高
C
血红蛋白升高
D
铁蛋白升高
E
红细胞升高
参考解析
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