胎产式胎儿姿势胎先露胎方位 ["最先进入骨盆入口的胎儿部分","胎儿先露部的指示点与母体骨盆的关系","胎体纵轴与母体纵轴的关系","胎儿身体各部分的相互关系","胎儿位置与母体骨盆的关系"]
女性,5岁。体检发现胸骨左缘第3、4肋间粗糙全收缩期杂音伴震颤,第二心音亢进,分裂。超声心动图最可能的发现为() ["A.左室左房扩大","左右心室肥大","右室右房肥大","心腔无变化","室间隔肥厚"]
猩红热患儿多于发热后几日出现皮疹() ["12小时","12~48小时","48~72小时","6小时","大于72小时"]
女性,5岁。体检发现胸骨左缘第3、4肋间粗糙全收缩期杂音伴震颤,第二心音亢进,分裂。最可能的诊断是() ["A.房间隔缺损","室间隔缺损","动脉导管未闭","肺动脉狭窄","肥厚型心肌病"]
水痘患儿多于发热后几日开始出皮疹() ["半天","1天","3天","5天","6天"]
属于电泳的现象是()属于电渗的现象是()