题目内容

需保存在4℃环境下，48h内有效的血液制品是

A. 白细胞浓缩悬液
B. 血小板浓缩悬液
C. 新鲜血浆
D. 冰冻血浆
E. 白蛋白液

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使用冰冻血浆正确的方法是

A. 置热源上加温融化后使用
B. 加入100ml蒸馏水溶解后用
C. 加入生理盐水稀释后用
D. 放在37℃温水中融化后用
E. 加入等量3.84%枸橼酸钠后用

Occupational stress is also called work-related stress.

A. 对
B. 错

When one is presented with work which is beyond his / her knowledge and abilities, occupational stress tends to occur.

A. 对
B. 错

Stress results in the complex interactions between a large system of interrelated variables.

A. 对
B. 错