患者男性，26岁，60kg。从高处坠下，致全身多处骨折，多处软组织挫伤。查BP70/30mmHg，HR120次/分，Hb9.6g%，Hct28%。经输平衡液500ml代血浆500ml后。送手术室。准备行骨折切开复位，内固定术。上手术台后哪项处理欠稳妥() ["A．立即吸氧","B．立即输血，输液","C．立即全麻诱导，气管插管","D．立即保持呼吸道通畅","E．立即给予抗胆碱药"]
背景
过敏性紫癜常见的首发症状为() ["A．鼻、牙龈出血","B．血尿、蛋白尿","C．关节疼痛及肿胀","D．腹痛、恶心、呕吐","E．皮肤紫癜"]
患者女性，28岁，右胸腋中线第4.5肋间刀刺伤1小时入院。伤口长5cm，活动性出血，鲜血外溢，病人呼吸急促、神志淡漠、面色苍白，血压63/30mmHg，麻醉后血压为O。麻醉诱导时，哪项不适宜() ["A．快诱导","B．慢诱导","C．诱导药减量","D．开放伤口","E．快速输血"]
背景
背景
