治疗厌食脾失健运证的首选方剂是() ["不换金正气散","保和丸","健脾丸","异功散","平胃散"]
关于流感病毒的变异与分型,叙述正确的有() ["A.NP是流感病毒分型的依据","B.禽流感病毒包括甲型流感病毒所有亚型","C.抗原转换与基因突变相关","D.抗原漂移常导致流感大流行","E.抗原漂移常发生在猪体内"]
对原发灶不明、难以确定的颈部转移性恶性肿瘤,正确的治疗方法是() ["找出原发灶后先治疗原发灶","不找原发灶,直接治疗转移灶","全身应用化疗药物,同时治疗原发灶和转移灶","手术切除转移灶后,密切观察病情变化情况","先治疗转移灶,同时继续寻找原发灶"]
在工农业生产中常见的化学性窒息性气体有() ["CO、CO2","甲烷、氮气","水蒸气、氰化物","硫化氰、甲烷","CO、氰化物、硫化氢"]
严重贫血的患者除进行糖的有氧氧化外,机体通常的另一种获能方式是() ["糖异生","糖酵解","脂肪氧化","氨基酸分解代谢","核酸分解"]
帕金森病的主要组织病理特征?