Frieberg征时引起髋痛的动作是() ["屈曲、内旋、内收","伸展、内旋、内收","屈曲、外旋、内收","伸展、外旋、内收","伸展、外旋、外展"]
蟾皮病是由于缺乏() ["维生素A","维生素B","维生素C","维生素D","维生素E"]
服后具有发汗祛湿作用的方剂是() ["一物瓜蒂汤","瓜蒂散","两者均是","两者均非"]
评价与选择供应商的基本原则不包括() ["全面兼顾和突出重点原则","科学性原则","可操作性原则","灵活性原则"]
牵伸梨状肌的合适体位是使髋() ["外旋、屈曲小于90°","外展、屈曲","内收、伸展","外展、伸展","内收、屈曲"]
简述医疗保密的内容。