股骨颈骨折() ["早做踝关节的与足趾的屈伸活动","做下肢肌力练习","尽早做股四头肌肌力练习","做直腿抬高运动","做矫形器固定"]
特发性血小板减少性紫癜输注血小板的适应症是() ["出血严重、广泛者","已有或已发生颅内出血者","分娩前","血小板低","近期将实施手术"]
血吸虫虫卵主要栓塞于() ["A.肺血管","B.下肢静脉","C.肝内门静脉分支","D.脑小血管内","E.脾窦内"]
患者,女性,46岁。因阵发性高血压、尿VMT(尿3-甲氧基-4-羧苦杏仁酸)升高、CT示有肾上腺占位而诊断为嗜铬细胞瘤准备行肾上腺肿瘤切除术。肿瘤切除时,血压骤降至30/0mmHg,最好选择下列哪些措施() ["A.麻黄碱","去甲肾上腺素","快速输血输液","毛花甙丙","多巴胺","去氧肾上腺素"]
与特发性血小板减少性紫癜发病机制有关的是() ["细菌或病毒感染","肝脾的破坏作用","遗传因素","血小板相关抗体","雌激素"]
患者女性,40岁,既往有风湿性心脏病10年,现发生房颤2周,已经给予药物治疗,效果不佳,需电击除颤,请你操作(在医学模拟人上操作)。