关于鼻咽癌常见首发症状的描述不正确的是() ["鼻出血","头痛","单侧鼻塞","首发症状多属早期症状","吸鼻后痰中带血"]
监测鼻咽温电极从鼻孔插入深度相当于() ["甲颏间距","口角到乳突的距离","外耳道到外鼻孔的距离","鼻尖到甲状软骨的距离","门齿到环状软骨的距离"]
女孩,4岁。1995年8月因发热2d,头痛,呕吐4次,呈喷射状,伴腹泻每天1~2次,略稀,无脓血。体检:神志清,精神萎,颈略抵抗,心脏无异常,两肺呼吸音粗,腹壁反射未引出,膝反射略弱。该病儿在住院第5天有剧烈咳嗽,痰多,呼吸促,肺部听诊有细湿啰音。最可能的并发症是() ["A.急性支气管炎","支气管肺炎","气道分泌物堵塞","肺不张","急性喉、气管、支气管炎"]
高血压病人手术中出现血压下降的常见原因不包括()。 ["100%浓度吸氧","全麻药抑制作用","低血容量","手术牵拉","心律失常"]
依据脊柱三柱分类理论,脊柱稳定性判断主要决定于脊柱何部状况() ["前柱","后柱","中柱","椎管","棘间韧带"]
什么是Fromn征?