【名词&注释】
培养基(medium)、缺铁性贫血(iron deficiency anemia)、再生障碍性贫血(aplastic anemia)、粒细胞(granulocyte)、总铁结合力(total iron binding capacity)、磷酸盐缓冲液(phosphate buffer)、转铁蛋白饱和度(transferrin saturation)、醋酸盐缓冲液(acetate buffer solution)、病患者(disease)、硼酸缓冲液(borate buffer)
[单选题]在制备培养基时,常需用比色管法,比色来调整pH值,而制标准比色管时常用哪种缓冲液( )
A. 巴比妥缓冲液
B. 硼酸缓冲液(borate buffer)
C. 磷酸盐缓冲液
D. Tris盐酸缓冲液
E. 醋酸-醋酸盐缓冲液(acetate buffer solution)