体表温度在各部位差异较大,其中最低处在() ["四肢末梢","会阴部","额部","躯干"]
胎儿胎盘单位是指() ["雌二醇","胎盘生乳素","人绒毛膜促性腺激素","妊娠特异性β1糖蛋白","胎儿肾上腺素-胎盘雌三醇合成系统"]
氧化亚氮-氧-镇痛药-肌松药复合麻醉可用于()。 ["气胸病人","皮下气肿病人","饱胃病人","气栓病人","纵隔气肿病人"]
小儿急性喉气管支气管炎会引起() ["吸气性呼吸困难","呼气性呼吸困难","混合性呼吸困难","中枢性呼吸困难","以上都不对"]
皮肤对脂溶性维生素吸收的主要途径是() ["角质层","毛囊和皮脂腺","汗管","毳毛"]
阐述脊髓炎的治疗方案。