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[多选题]
下列哪些是B细胞的免疫标志
A.CDl0
B.CDl9
C.CD68
D.HLA-DR
E.CD22
![](https://lstatic.shangxueba.com/sxbzda/h5/images/tips_org.png)
A.CDl0
B.CDl9
C.CD68
D.HLA-DR
E.CD22
第2题
下列哪种体液因子对造血起到抑制作用
A.胰岛素样生长因子(insulin-like growth factor,IGF)
B.干扰素α(interferron-α)
C.集落刺激因子(colony stimulating factor,CSF)
D.白血病抑制因子(1eukemia inhibitory factor,LIF)
E.干细胞因子(SCF)
请帮忙给出正确答案和分析,谢谢!
第3题
Which is the major regulator of proliferation and differentiation of megakaryocytes
A.erythropoietin
B.colony stimulating factors
C.granulocyte colony-stimuIating factor
D.interferon
E.thrombopoietin
请帮忙给出正确答案和分析,谢谢!
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