铅中毒引起的RBC形态学改变为
A. 嗜碱点彩RBC
B. 球形RBC
C. RBC缗钱状改变
D. 镰形RBC
E. 靶形RBC
遗传性球形细胞增多症引起的RBC形态学改变为
A. 嗜碱点彩RBC
B. 球形RBC
C. RBC缗钱状改变
D. 镰形RBC
E. 靶形RBC
中度贫血指血红蛋白
A. Hb90-60g/L
B. Hb60-30g/L
C. Hb<30g/L
D. Hb>90g/L
E. Hb<20g/L
重度贫血指血红蛋白
A. Hb90-60g/L
B. Hb60-30g/L
C. Hb<30g/L
D. Hb>90g/L
E. Hb<20g/L