下列哪项对中性粒细胞无趋化作用() ["A.细菌代谢产物","B.坏死组织","C.阳离子蛋白","D.C3a","E.激肽原酶"]
某女,35岁,有"风心病史"十年。劳累后心悸气喘,未发生过水肿,近日因过劳再发,症见:心悸,胸闷,气短;动则加重,面色苍白,形寒肢冷,舌淡苔白,脉沉细无力。其辨证为() ["心虚胆怯","心血不足","寒凝心脉","心阳不振","水饮凌心"]
最早提出瀑布学说的作者是() ["Millier","Davie","Ratnoff","Mac Far Lane","Arongon"]
患者男,7岁,因“交替出现反复缩鼻子或清嗓子3个月”来诊。紧张时增多,入睡后消失。无痰,自诉咽部不适,无疼痛。学习无明显影响。查体:咽部无红肿,扁桃体稍大,颈部淋巴结未及。最常见的共患疾病是() ["A.慢性咽炎","ADHD","睡眠障碍","偏头痛","慢性鼻炎"]
以下哪项情况不会出现高粘综合征() ["低纤维蛋白血症","癌症","缺氧","高脂血症","红细胞增多症"]
在施行插胃管术前,应如何对病人解释,以便配合医生完成操作?