视觉信号的基本颜色有几种?
患者男,70岁。软弱无力,进食减少,口渴、多尿2周,近2天嗜睡。急诊检查:BP70/50mmHg,神志蒙咙,皮肤干燥失水,呼吸34次/分,心率108次/分,尿糖(++++),尿酮(±)。既往无糖尿病史。最主要的治疗措施是() ["抗感染","肾上腺皮质激素","口服降血糖药","小剂量胰岛素及补液","补充碱性药物"]
"规范卫生行政行为"属于() ["国家卫生监督","卫生法规文件","卫生法律体系","卫生法的作用","卫生法基本原则"]
教育行政效益
肺囊性纤维化() ["多发生于左下叶支气管","好发部位位于上叶尖后段或下叶背段","可见段支气管近端的扩张","常伴鼻窦炎及内脏转位","血清内可含有抑制支气管柱状上皮细胞纤毛活动的物质,白种人常见"]
溶剂油的理化性质?