【单选题】
怀疑为诺如病毒的小儿应重点留取的样本为____。
A. 粪便排泄物
B. 食用过的面包
C. 血液
D. 咽拭子
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答案
A
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【单选题】
(1)Whieh of the following descriptions about the characteristics of physiology is wrong?___
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【单选题】
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(5)In many laboratories today, robots assist with the routine work of parallel synthesis, such as small___ amounts of reactive molecules into the appropriate wells.___
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(7)Which of the following factors may influence the time course of a drug in the plasma and hence at its site of action?___
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(8)Please identify the potential biological barriers for an orally administered tablet to be absorbed into the systemic circulation___
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