题干

在盛有新鲜血液的试管中加入少量抗凝集剂(如:柠檬酸钠),静止一段时间后,上层呈淡黄色半透明的液体是

A:红细胞

B:血清

C:血小板

D:血浆

上一题 下一题 0.0难度 选择题 更新时间:2011-04-18 09:44:54

答案(点此获取答案解析)

D

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