问题
单项选择题
关于泌尿系结石的描述，不妥的是
A．较小肾结石常聚集于肾小盏
B．膀胱结石可来自肾脏或发生于膀胱
C．输尿管结石绝大多数来自肾脏
D．输尿管结石多停留于生理狭窄处
E．结石越大越易引起绞痛
答案
参考答案：E
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关于泌尿系结石的描述，不妥的是
A．较小肾结石常聚集于肾小盏
B．膀胱结石可来自肾脏或发生于膀胱
C．输尿管结石绝大多数来自肾脏
D．输尿管结石多停留于生理狭窄处
E．结石越大越易引起绞痛
参考答案：E
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