流动床、鼓泡床、湍流床的流化速度依次() ["增加","减小","不变"]
患者男,30岁。受凉后高热、寒战,咳嗽、咳痰3天。体检:体温38.5℃,有上肺语颤增强,呼吸音增强,有湿啰音,WBC18×109/L,N90%,L10%。最可能的诊断是() ["上呼吸道感染","急性支气管炎","大叶性肺炎","急性肺脓肿","肺结核"]
患者,女,20岁。经闭腹痛,食积气滞,脘腹胀痛。首选药物是() ["A.柴胡","B.香附","C.郁金","D.当归","E.三棱"]
简述通风巷道行走安全注意事项。
患者,男,61岁。头痛,关节疼痛,不慎摔伤,右膝关节肿痛。首选药组是() ["A.桃仁","B.赤芍","C.当归","D.川芎","E.黄芪"]
麻黄与桂枝的功效应用有何异同?