社会医学研究的特点是() ["研究对象的复杂性和社会群体性","研究方法的综合性和跨学科性","研究内容的广泛性","研究结果的实践性和现实指导性","以上都是"]
患者为强直性脊柱炎,最适合接受下列哪项注射?() ["第三腰椎横突注射","棘突上滑囊注射","腰椎关节突关节注射","棘突间韧带注射","肋横突关节注射"]
女,9岁,左髋部剧痛伴以高热4天入院。查体:急重病容,左髋关节呈屈曲位,内收肌痉挛,局部皮温高伴深压痛,最可能的诊断是() ["髋关节脱位","髋关节滑膜炎","髋关节化脓性关节炎","左股骨近端恶性骨肿瘤","左髋关节结核"]
正常胃液外观应呈()。 ["无色","白色","黄色","绿色","灰白色"]
我国目前卫生工作的重点在() ["农村","城市","社区","治疗","预防"]
片状元器件有哪些包装形式?