血液系统疾病外周血白细胞少于多少时,应实行保护性隔离
A 4×10<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20221202/11553830_0.gif">/L B
3×10<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20221202/11553830_0_1.gif">/L C
2×10<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20221202/11553830_0_2.gif">/L D
1×10<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20221202/11553830_0_3.gif">/L E
0.5×10<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20221202/11553830_0_4.gif">/L