当肾盂积水时,静脉肾盂造影的表现为()
A.肾盂、肾盏呈囊状扩大
B.肾盏变成杆状,肾盂扩大
C.肾小盏杯口圆钝
D.肾小盏杯口锐利
E.肾盂、肾盏缩小
参考答案:A, B, C
It was some time later I realized he had lied to me.
A.when
B.that
C.since
D.before
下肢静脉曲张病人术后早期活动主要是为了预防()
A.关节僵直
B.患肢水肿
C.血管痉挛
D.肌肉萎缩
E.深静脉血栓