手术后早期发生恶心、呕吐,常见的原因是() ["颅内压增高","麻醉反应","术后腹胀","肠梗阻","低血钾"]
关于胆囊癌错误的是() ["多发生在50~80岁,女性多见","多发生胆囊底或颈部","胆囊癌多数为腺癌","病理分为浸润型和乳头型,以乳头型多见","起病隐匿,胆管阻塞后可出现黄疸,且进行性加重"]
6岁女孩,门诊就医,主诉为咳嗽、发热、右侧胸疼7d,胸片显示右肺门阴影增宽。以下哪项检查不必要() ["结核菌素试验","支原体抗体","血培养","冷凝集试验","白细胞总数及分类"]
乙脑病人最常见的并发症是() ["肺不张","金葡菌败血症","支气管肺炎","尿路感染","褥疮"]
按脊髓损伤部位和损伤程度不同,脊椎骨折或脱位可分为哪几类?
真空泵允许启动条件是什么?