背景：
以下哪些创伤病人可出现Pa0下降() ["A．颅脑损伤","B．肋骨骨折","C．血气胸","D．肺挫伤","E．长管骨骨折"]
不适宜婴幼儿盆浴时的室温是() ["A．20℃","B．22℃","C．24℃","D．25℃左右","E．26～28℃"]
重度臀红疑有真菌感染者，不宜用的外用药是() ["A．氧化锌油膏","B．鞣酸软膏","C．鱼肝油","D．制霉菌素糊剂","E．1～2%甲紫"]
创伤挤压综合征病人，临床表现包括() ["A．肢体缺血","B．皮肤肿胀、变硬","C．皮下淤血、小血管阻塞","D．肾功能不全","E．呼吸深快，躁动"]
背景：
