上、中、下三个鼻甲各来源于() ["A．上鼻甲为筛骨，中、下鼻甲为蝶骨","B．中鼻甲为上颌骨，上、下鼻甲为筛骨","C．上、中鼻甲为筛骨，下鼻甲为独立骨片","D．均来源于筛骨","E．均来源于鼻骨"]
低钾血症临床症状错误的是() ["A．心电图T波低宽，出现U波","B．反常性酸尿","C．神经肌肉兴奋性降低","D．心肌兴奋性降低肾脏浓缩功能降低","E．心肌收缩功能增强"]
下鼻甲位于鼻腔的() ["A．内侧壁","B．外侧壁","C．底壁","D．顶壁","E．外壁"]
有关水代谢错误的是() ["A．婴儿体内水的交换率比成人快","B．水分排出的次要途径为不显性失水","C．年龄愈小，出入水量愈多","D．婴儿每日水的交换量为细胞外液的1/7","E．婴儿对缺水的耐受力差，易脱水"]
有关鼻窦的说法正确的是() ["A．两侧对称大小一致","B．初生儿所有鼻窦均未发育","C．粘膜菲薄脆弱仅在窦口附近较厚","D．粘膜内有丰富的血管和腺体","E．后组筛窦在中鼻道筛泡处"]
脑出血的CT表现有哪些?
