Allen试验用于检测哪支动脉的侧支循环（）
A.颈总动脉
B.肱动脉
C.桡动脉
D.股动脉
E.足背动脉
参考答案：C
以下能引起肾后性肾功能衰竭的是
A．低血容量休克B．盆腔肿瘤压迫输尿管C．感染性休克D．四氯化碳E．挤压伤
That should be an excellent opportunity of you to say what you think.
A．opportunity for you B．opportunity in which you areC．opportunity to you D．opportunity in which you
