【名词&注释】
临床表现(clinical manifestation)、缺铁性贫血(iron deficiency anemia)、淋巴结(lymph node)、再生障碍性贫血(aplastic anemia)、功能障碍(dysfunction)、原发性血小板减少性紫癜(idiopathic thrombocytopenic purpura)、红细胞生成(erythropoiesis)、总铁结合力(total iron binding capacity)、转铁蛋白饱和度(transferrin saturation)、巨粒细胞
[单选题]缺铁性贫血时,以下实验室检查正确的是()
A. A.血清铁降低、转铁蛋白饱和度(transferrin saturation)降低、总铁结合力(total iron binding capacity)降低
B. B.血清铁降低、转铁蛋白饱和度(transferrin saturation)降低、总铁结合力(total iron binding capacity)增高
C. C.血清铁降低、转铁蛋白饱和度(transferrin saturation)正常、总铁结合力(total iron binding capacity)增高
D. D.血清铁降低、转铁蛋白饱和度(transferrin saturation)增高、总铁结合力(total iron binding capacity)降低
E. E.血清铁降低、转铁蛋白饱和度(transferrin saturation)正常、总铁结合力(total iron binding capacity)降低