法律规定承担连带责任的，被侵权人仅得向其中某一责任人请求承担全部责任，而不能向全体责任人请求承担全部责任。()
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关于静脉采血，以下错误的是
A. 选择适宜静脉扎止血带
B. 消毒
C. 检查注射器有无阻塞和漏气
D. 穿刺时针头斜面向上
E. 抽血完毕立即将血液沿针头注入试管内
X fails to perform their obligation and Y seeks to exercise the right of mortgag.Which of
A. The mortgaged property may be converted by auction
B. The mortgaged property may be converted by being sold off
C. Parties may agree upon the means of realising the mortgage right
D. Parties may agree that the mortgaged property be used for offsetting the debts as per its value in the mortgage agreement
“睹物思人”、“爱屋及乌”等现象属于 ()
A. 接近联想
B. 类似联想
C. 对比联想
D. 回忆联想
关于双草酸盐抗凝剂，错误的说法是
A. 草酸钾可使红细胞缩小
B. 草酸铵可使红细胞胀大
C. 不可用于血细胞比容测定
D. 过去用于凝血象的测定
E. 目前应用较少
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