小儿体液分布与成人不同,主要为() ["A.细胞内液的比例较高","B.血浆的比例增高","C.血浆与间质的含量均高","D.间质液与细胞内液含量均高","E.间质液的比例较高"]
关于产妇硬膜外麻醉时麻醉药量应减少的原因,下列哪项不正确() ["A.腔静脉受压,椎管内静脉丛怒张","B.腰椎前屈","C.子宫收缩,脑脊液向头侧逆流","D.妊娠高血压","E.硬膜外腔和蛛网膜下隙变窄"]
不是引起新生儿呼吸抑制的主要原因() ["A.严重酸中毒","B.寒冷","C.母体用药","D.气管内异物(羊水)","E.中枢神经受损"]
等渗性脱水的主要特征是() ["A.单纯失钠","B.单纯失水","C.失钠大于失水","D.失水大于失钠","E.钠水成比例丢失"]
背景资料
背景资料