某患者于输血过程中出现畏寒、寒战,体温40℃,伴头痛、恶心、呕吐,首先考虑是() ["A.发热反应","B.超敏反应","C.溶血反应","D.急性肺水肿","E.枸橼酸钠中毒反应"]
某患者颅内压增高症状明显,医嘱静脉滴注甘露醇250mL,30分钟滴完,每分钟应滴() ["A.60滴","B.80滴","C.100滴","D.125滴","E.140滴"]
护理一般传染病患者时,应使用几层纱布口罩() ["A.2~4层","B.4~6层","C.6~8层","D.8~12层","E.12~14层"]
一般认为鼻咽顶前厚度为_____mm左右,正常不超过___mm。鼻咽、口咽和喉咽后壁上部的厚度一般不超过___mm。喉咽后壁下部即环状软骨后间隙,其正常厚度不超过___mm,或与同层面椎体中部前后径的比值约___。
清洁口腔、预防感染应选择的漱口液是() ["A.2%~3%硼酸溶液","B.1%~3%过氧化氢溶液","C.0.1%醋酸溶液","D.1%~4%碳酸氢钠溶液","E.复方硼砂溶液"]
椎间隙变化主要见于________、___________、___________、________及________________。