结直肠癌诊治的最佳肿瘤标志物是()。 ["CEA","CA50","CA199","CA72-4","CA153"]
全血细胞减少,骨髓增生低下,造血细胞减少,这种血象及骨髓象不见于() ["再障","低增生性白血病","溶血性贫血","PNH","骨髓纤维化"]
最容易损伤脊髓的外伤是()。 ["横突孔骨折伴附件骨折","椎体压缩性骨折伴横突骨折","胸椎骨折伴肋骨骨折","下腰椎骨折,骨折碎片进入椎管","胸椎附件骨折,骨折碎片进入椎管"]
下列哪项指标用于麻醉深度的监测效果欠佳() ["脑电图","食管下段收缩性","双频谱脑电图","诱发电位","额肌电"]
男,26岁,上肢血压180~200/100~110mmHg,下肢血压140/80mmHg,体检:肩胛间区可闻及血管杂音,伴震颤,尿17-酮,17-羟类固醇正常,尿苦杏仁酸正常。其高血压原因应考虑为继发于() ["皮质醇增多症","主动脉缩窄","嗜铬细胞瘤","原发性醛固酮增多症","单侧肾动脉狭窄"]
试述未足月胎膜早破病人的治疗。