囊虫寄生于人体的部位是() ["肌肉","眼","脑","皮下","以上都可"]
关于肾上腺素错误的是() ["激动支气管平滑肌β受体","可松弛支气管平滑肌","抑制肥大细胞释放过敏性物质","常用于预防支气管哮喘的发作","使支气管黏膜血管收缩"]
可与金石、贝壳等同用,以助其消化的药物是() ["稻芽","麦芽","神曲","鸡内金","山楂"]
男,49岁,反复不规律上腹部胀痛3年,胃镜诊断为萎缩性胃炎。该患者如考虑为A型胃炎,正确的是() ["A.壁细胞抗体阴性","胃酸升高","不出现厌食,体重下降","不出现恶性贫血","主要位于胃体部"]
关于鼻腔填塞,哪种说法有误()。 ["出血较剧时可行鼻腔填塞","凡士林纱条填塞时间可超过1周","前鼻孔填塞未奏效者,可用前、后鼻孔填塞","鼻咽部气囊可替代后鼻孔纱球","应辅以抗生素"]
红细胞悬液是全血移除大部分血浆后,用()或()等加入红细胞内代替移出的血浆。