【名词&注释】
房室传导阻滞、缺铁性贫血(iron deficiency anemia)、抗结核治疗(anti-tuberculosis treatment)、慢性缩窄性心包炎(chronic constrictive pericarditis)、右心室压(right atrial pressure)、左、右心室、转铁蛋白饱和度(transferrin saturation)、视而不见、心包摩擦音(pericardial friction sound)、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