甲型肝炎的传染源是什么?
最常与重症肌无力同时存在的疾病有() ["甲状腺炎","甲状腺功能亢进","胸腺肿瘤或胸腺增殖","系统性红斑狼疮","多发性肌炎"]
中性粒细胞核右移是指()。 ["中性粒细胞出现杆状核比例增高","中性粒细胞出现细胞核位置偏右","中性粒细胞出现5叶核以上的细胞比例增高大于3%","中性粒细胞出现大量幼稚细胞","中性粒胞浆出现包涵体"]
患者10岁,男性。老师发现其上课时经常愣神,双眼瞪视前方,呼之不应,持续数秒缓解,其治疗药物选择下列哪项最正确() ["首选苯妥英钠,次选卡马西平","首选卡马西平,次选苯妥英钠","首选丙戊酸钠,次选苯巴比妥","首选乙琥胺,次选丙戊酸钠","首选ACTH,次选氯硝安定"]
称"胃之关"的是() ["心","肺","脾","肝","肾"]
输血后为何会感染艾滋病病毒?