肺灌注显像呈非节段性缺损,且其他显像基本匹配()
A.肺栓塞可以排除
B.肺栓塞可能性很小
C.肺栓塞只有中等可能性或难以判定
D.肺栓塞可能性较大
E.肺栓塞可能性很高
参考答案:B
Elizabeth Taylor, the Hollywood legend died at Cedars-Sinai Hospital _______ by her four children after being taken to hospital six weeks ago with heart failure.
A.to be surrounded
B.having been surrounded
C.surrounded
D.surrounding
上颌双侧前磨牙及磨牙缺失对于双侧上颌结节均有骨性倒凹者,最佳的处理是()
A.不进行任何处理
B.手术去除单侧骨性倒凹
C.手术去除双侧骨性倒凹
D.在基托组织面缓冲
E.减少基托面积,不覆盖上颌结节