[单选题]肺的防御机制有

正确答案 ：D

物理化学屏障和免疫反应

[多选题]The blood is examined in order to answer following principal questions

正确答案 ：AD

Is themarrow producing sufficient numbers of mature cells in the hematopoietic lineages

Is the development of each hematopoietic lineages qualitatively normal

[单选题]不属于贫血形态学分类的是

正确答案 ：B

增生性贫血

[单选题]成人重度贫血其血红蛋白的范围应是

正确答案 ：C

30～60g/L

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