女性,36岁,右膝关节肿胀疼痛2年,X线示膝关节股骨和胫骨非承重面虫噬样骨质破坏,骨质密度低,关节肿胀。应诊断何种疾病() ["A.关节结核","化脓性关节炎","类风湿关节炎","退行性骨关节病","神经性关节病"]
桡骨远端骨化中心出现的时间() ["10岁","8周","6个月","12个月","1岁半","2岁","2岁半","3岁","6岁","4周","12岁"]
以下情况的足月妊娠,可以建议经阴道试产的是() ["阴道纵隔","子宫下段剖宫产史","阴道簇状尖锐湿疣","生殖道瘘修补术后","子宫颈巨大肌瘤"]
头位难产中的病因中发生率最高的是() ["高直后位","前不均倾位","面先露","高直前位","持续性枕横位或枕后位"]
骨髓腔内开始出现黄骨髓() ["新生儿至5岁","5~7岁以后","13岁以后","15岁以后","18岁以后"]
术后病人翻身时要呈(),以()翻身法二人动作协调,以防脊柱不稳定,造成脊髓损伤。