甲亢术后呼吸困难多发生于术后()。 ["6小时以内","12小时以内","24小时以内","48小时以内","72小时以内"]
剖检发现主要病变为纤维素性胸膜肺炎的病是() ["仔猪副伤寒","猪传染性胸膜肺炎","猪瘟","猪丹毒","猪圆环病毒病"]
氨茶碱平喘的作用机制是()。沙丁胺醇平喘的作用机制是()。 ["稳定肥大细胞膜","抑制磷酸二酯酶","抑制炎症介质产生","选择性激动β2受体","抑制气道高反应性"]
在猪大肠黏膜形成糠麸样溃疡的病是() ["猪丹毒","猪肺疫","猪瘟","仔猪副伤寒","高热病"]
甲状腺功能亢进症术前准备通常不包括()。 ["T3、T4测定","喉镜检查","控制心率","给予氢化可的松","测基础代谢率"]
流脑发病高峰年龄是()流脑隐性感染后免疫能力达高峰的年龄是()