【单选题】Geographers use the techniques of _________ to monitor or measure phenomena found in the Earth’s lithosphere, biosphere, hydrosphere, and atmosphere.
【单选题】72岁女性,因腹膜炎收住院。急诊行剖腹探查确定肠穿孔行修补术,术后入ICU,机械通气,持续低血压。数小时后,需要高剂量血管收缩药,有四肢湿冷和乳酸性酸中毒。动脉血气分析:pH7.24,PaCO 2 28mmHg,PaO 2 81mmHg,脉搏氧饱和度97%,血红蛋白80g/L。肺动脉导管检查:CVP10mmHg,PCWP18mmHg,CI1.5L/(min·m 2 ),混合静脉氧饱和度54%,下列...
C.
应用正性肌力药物使Cl达到3.0L/(min·m 2 )
【单选题】张某,女,70岁。因支气管哮喘急性发作入院治疗,经静脉输入药物2天后病情缓解。今天输液1小时后,病人突然面色苍白.呼吸困难.气促.咳嗽加重.咳血性泡沫样痰。处理措施中,下述哪项不妥