【名词&注释】
缺铁性贫血(iron deficiency anemia)、过敏性紫癜(anaphylactoid purpura)、兴奋性(excitability)、抗凝血(anticoagulation)、主要功能(main function)、胶体渗透压(colloid osmotic pressure)、抗过敏药物(anti-allergy drug)、转铁蛋白饱和度(transferrin saturation)、铁结合力(iron binding capacity)
[单选题]缺铁性贫血时,以下实验室检查正确的是()
A. 血清铁降低、转铁蛋白饱和度(transferrin saturation)降低、总铁结合力(iron binding capacity)降低
B. 血清铁降低、转铁蛋白饱和度(transferrin saturation)降低、总铁结合力(iron binding capacity)增高
C. 血清铁降低、转铁蛋白饱和度(transferrin saturation)正常、总铁结合力(iron binding capacity)增高
D. 血清铁降低、转铁蛋白饱和度(transferrin saturation)增高、总铁结合力(iron binding capacity)降低
E. 血清铁降低、转铁蛋白饱和度(transferrin saturation)正常、总铁结合力(iron binding capacity)降低