颈动脉-海绵窦瘘USG的主要表现为() ["A．眼上静脉扩张","B．用探头压迫眼球时搏动消失","C．眶脂体扩大","D．眼外肌肥厚","E．泪腺肿大"] 急性心肌梗死的诊断，错误的是() ["A．无诱因的心前区剧痛","B．AST升高","C．中年以上罗发休克，频繁恶心、呕吐、上腹痛","D．起病即有发热","E．心率增快"] 下列哪类患者应首先进行处理() ["A．休克","B．尿道断裂","C．开放性气胸","D．头皮撕成伤","E．开放性骨折"] 下列预防压疮的措施不妥的是() ["A．避免局部长期受","B．避免潮湿、摩擦及排泄物的刺激","C．增进局部血液循环","D．勤换衣服、床单","E．增加营养的摄入"] 治疗咽部血管瘤可行() ["A．冷冻","B．硬化剂注射","C．放射治疗","D．电凝固术","E．手术切除"] 评估左心功能不全、肺循环淤血者的基本表现是()