A.450nm B.490nm C.550nm D.520nm E.540nm
A.取血前將殘血放掉 B.每份血樣換一個(gè)加樣器頭 C.血樣中加入三氯醋酸后立即搖勻 D.插管前注射肝素抗凝 E.血樣中加入肝素抗凝
A.實(shí)驗(yàn)組和對(duì)照組數(shù)據(jù)沒有顯著性差異 B.實(shí)驗(yàn)組和對(duì)照組數(shù)據(jù)有顯著性差異 C.實(shí)驗(yàn)組和對(duì)照組數(shù)據(jù)有高度顯著性差異 D.實(shí)驗(yàn)組和對(duì)照組數(shù)據(jù)有明顯顯著性差異 E.以上都不對(duì)