利多卡因的一次限量为() ["100mg","200mg","300mg","400mg","500mg"]
年过70岁老年人,胃切除术后l一3天,输液量过大,点滴速度过快,易发生() ["切口感染","切口裂开","肺不张或肺内感染","急性肺水肿","深静脉血栓形成"]
流行性腮腺炎的病理特征是() ["腮腺的急性化脓性炎症","腮腺的急性非化脓性炎症","非化脓性胰腺炎","睾丸炎或卵巢炎","病毒性脑膜炎或脑膜脑炎"]
斑贴试验用以测定机体迟发超敏反应,常用于以下哪几种疾病() ["接触性皮炎","化妆品皮炎","职业性皮炎","食物过敏","异位性皮炎"]
术后常见的并发症及症状是() ["发热","出血","切口感染和裂开","肺部感染","以上都对"]
简述短时、临近预报的预报时效定义及监测预警重点。