多用于胰腺炎诊断的血清酶是() ["CK和CK-MB","ALP和AMY","ALT和AST","AST和AMY","AMY和LPS"]
下列选项中属于采用完整货运记录原因的是() ["分清责任,促成各项工作顺利进行","检查工作效率,防止遗漏积压","有利于清理在途货物","作为验收工作的基础统计"]
从肛管直肠环至肛缘称为:() ["栉膜带","直肠柱","解剖肛管","外科肛管","直肠壶腹"]
解剖肛管是指:() ["直肠柱上缘至肛缘","肛管直肠环至肛缘","齿线至肛门缘","直肠柱上缘至肛白线","以上均不对"]
可引起红细胞及血红蛋白含量相对性增多的疾病是() ["脾功能亢进","肺源性心脏病","发绀型先天性心脏病","糖尿病酮症酸中毒","真性红细胞增多症"]
起重机械的工作程序是:吊挂或抓取货物,提升后进行一个或数个动作的移运,将货物放到卸载地点,然后返程做下一次动作准备,这称作一个()。