患者74岁,不慎跌伤,X线片示为无牙颁,下颌骨体部骨折移位,急症治疗应首选()
A.口外牵引
B.颌间固定
C.单颌结扎
D.颌间牵引
E.不锈钢针固定
参考答案:E
男,42岁,劳累后右髋骨轻微酸痛1年余,加重半个月,X线片发现右股骨颈及粗隆间膨胀性改变,中央透亮,边缘有硬化带,无骨折,考虑为骨囊肿,采取以下哪项措施()
A.截肢+化学治疗
B.化疗治疗+免疫治疗
C.中药治疗
D.病灶刮除并植骨
E.病段切除+人工假体移植
—Was it under the tree _______ you were away talking to a friend?
—Sure. But when I got back there, the bike was gone.
A.that
B.where
C.which
D.while