99mTc-硫胶体显像用于胃肠道出血显像中能检出的最少出血量为() ["0.01ml/min","0.1ml/min","0.5ml/min","1ml/min","3ml/min"]
感染性休克的处理原则是() ["控制感染","纠正酸中毒","补充血容量","应用仪受体阻滞剂","纠正碱中毒"]
潘某,女,23岁,患者每逢经期少腹疼痛,以胀痛和刺痛为主,按之不舒,舌质暗红,苔薄黄,脉弦。根据患者的症状及舌脉表现应该辨证为(). ["A.寒凝胞脉","气血不足","气滞血瘀","冲任失调","以上都不是"]
28岁初产妇,妊娠39周,规律宫缩2小时,枕右前位,胎心良好,骨盆外测量正常,B超测胎头双顶径9.3cm,羊水平段3.8cm。若产妇宫缩正常,胎头降至+3,宫口开大4cm,此时最恰当的处理应是() ["A.人工破膜","静脉滴注缩宫素","吸氧","行温肥皂水灌肠","行剖宫产术"]
男性,31岁。2年前因胃溃疡穿孔行修补术,1年后溃疡复发并穿孔行毕Ⅰ式胃大部切除术。术后半年又因胃溃疡穿孔行残胃部分切除并改行毕Ⅱ式胃大部切除术。术后上腹仍烧灼样痛,服用H2受体阻滞剂,疼痛得不到缓解。此时应考虑() ["迷走神经功能亢进","幽门螺旋菌溃疡","多发性溃疡","复合性溃疡","Zollinger-Ellison综合征"]
锅炉停运后,当汽包压力降至0.5~O.8MPa,汽包壁温各点低于()℃,可进行热态放水。