患者女,60岁,典型心房扑动史3年,发作频繁,症状明显。该患首选的治疗是() ["A.三尖瓣环峡部导管消融","胺碘酮","普罗帕酮","索他洛尔","房室结改良"]
引起支气管哮喘气流受阻的原因不包括() ["气道黏膜水肿","腺体分泌亢进及黏液清除障碍","气道壁炎性细胞浸润","气道平滑肌痉挛","肺泡弹性回缩力下降及肺泡破坏"]
旋覆代赭汤中旋覆花与代赭石的用量比例是() ["1:3","1:2","2:1","3:1","1:1"]
关于病毒复制,下列哪项不正确() ["只在活细胞内进行","从宿主细胞获得能量","病毒蛋白抑制宿主的DNA合成","利用宿主细胞的合成场所合成病毒蛋白质","保持完整的结构和传染性"]
半夏厚朴汤组成中有() ["厚朴、苏子","半夏、干姜","半夏、茯苓","半夏、人参","厚朴、苏梗"]
利用高糖培养基培养酵母菌属于()