第16题: [单项选择]防止血标本溶血的措施下列哪项错误 A. 选用干燥注射器和针头 B. 避免过度震荡 C. 采血后去针头沿管壁将血液和泡沫缓慢注入 D. 标本应及时送检 E. 需全血标本时,应采用抗凝管 参考答案:C 答案解析:血标本所用注射器、针头及试管必须干燥,以防溶血。采集后取下针头,沿管壁将血液缓慢注入,勿注入泡沫,避免震荡。泡沫如果注入管内,一旦破裂,会引起血细胞破裂。
第17题: [单项选择]下列那种基因是促进细胞存活基因() A. bax B. c-kit C. c-myc D. ras E. bcl-2 参考答案:D
第35题: [单项选择]How did Nathaniel Bacon die A. He was killed by Indians. B. Governor Berkeley had him hanged. C. He died of malaria. D. He was accidentally shot by one of the farmers. 参考答案:C