在鼻-鼻窦恶性肿瘤的G分级中,Gx代表()。 ["高分化","中分化","低分化","未分化","组织分类不能确定"]
氧需是指() ["劳动1分钟所需要的氧量","1分钟内血液能供应的最大氧量","劳动5分钟所需要的氧量","劳动1小时所需要的氧量","劳动半小时所需要的氧量"]
关于补体的激活,以下正确的是() ["A.经典途径,激活物为脂多糖","B.经典途径,激活物为免疫复合物","C.替代途径,激活物为免疫复合物","D.替代途径,激活物为C3b","E.以上都不是"]
一个伤口肉芽新鲜的创面,为促进伤口愈合,紫外线的剂量选用() ["亚红斑量","强红斑量","红斑量","超强红斑量","无所谓"]
引起感染性休克的最常见病原体是() ["革兰阳性细菌","革兰阴性细菌","病毒","真菌","钩端螺旋体"]
血清氨基转移酶