除外以下哪项是空腔脏器破裂的临床表现() ["肝浊音界缩小","肠鸣音亢进","X线检查膈下有游离气体","腹腔穿刺有混浊液体","明显腹膜刺激征"]
常见的癫痫持续状态指() ["肢体抽搐不止,神志始终清楚","长期用药仍不时发作","抽搐不止,发作间期意识丧失","精神运动性发作数日","连续小发作"]
干性支气管扩张的主要临床特点是() ["以干咳为主","咳大量脓臭痰","咳嗽、咳痰、活动后气短","病变局限于下叶","仅有反复咯血,多无咳嗽、咳痰"]
下列哪种脏器损伤,临床表现以腹膜炎为主() ["肝","脾","胰","肠","肾"]
患者男性,35岁,因胸闷、气促、咳嗽、咳痰2周,伴盗汗、乏力入院。查体:颈静脉怒张,心率112次/分,心界向左右扩大,心音减弱,未闻及病理性杂音。此时急需的检查是什么()。 ["A.心脏CT检查","心电图","Holter","平板运动试验","超声心动图","血脂测定"]
异步通信与同步通信的主要区别是什么,说明通信双方如何联络。