單項(xiàng)選擇題

男性,28歲,農(nóng)民,頭暈乏力半年有余。體檢:除貧血貌外,可見反甲癥。檢驗(yàn):外周血涂片示成熟紅細(xì)胞大小不一,中央淡染;血清鐵7.70μmol/L(43μg/dl),總鐵結(jié)合力76.97μmol/L(430μg/dl);糞便檢查有鉤蟲卵。其貧血診斷為()

A、缺鐵性貧血
B、慢性腎病
C、珠蛋白生成再生障礙性貧血
D、慢性感染性貧血
E、維生素B6反應(yīng)性貧血
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