二尖瓣狭窄时的最主要的临床表现是()。 ["二尖瓣面容","心脏呈梨形","二尖瓣区收缩期杂音","心尖区隆隆样舒张中晚期杂音","肺动脉区第二心音增强"]
属病因诊断的是(). ["肺炎球菌性肺炎","寒战、高热","呼吸衰竭","病变在右肺上叶","肺实变"]
易渗透进龈沟液,对抑制G-厌氧菌和螺旋体特别有效的是()。 ["麝香草酚","氟己定","四环素","磺胺类","灭滴灵"]
可用于治疗青光眼的药物是()。过量时可引起“胆碱能危象”的药物是()。 ["度冷丁","新斯的明","阿托品","毛果芸香碱","吗啡"]
刺激肠壁感受神经末梢,增强肠反射性蠕动而排便()可致容积性排便,降低老年人粪块嵌塞发生率()润滑肠壁,软化大便和调节稠度() ["乳果糖","比沙可啶","聚乙二醇粉","欧车前亲水胶","开塞露/甘油栓"]
原发性中央型肺癌空洞的典型X线表现是()肺脓肿空洞的典型X线表现是()