该患者在做静脉肾盂造影时最可能出现的异常情况是A．右肾不显影

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问题单项选择题

该患者在做静脉肾盂造影时最可能出现的异常情况是

A．右肾不显影

B．右肾积水

C．右肾下盏拉长、移位

D．右肾下盏边缘不整，呈虫蚀样改变

E．右肾显影延迟

答案

参考答案：C

补全对话，情景问答

( ) 1. A: What time is it? 　　　 B: It's three o'clock. It's time for music class.	A.
( ) 2. A: What time is it? 　　　 B: It's seven o'clock. It's time for breakfast.	B.
( ) 3. A: What time is it? 　　　 B: It's nine o'clock. It's time for dinner.	C.
( ) 4. A: What time is it? 　　　 B: It's ten o'clock. It's time for P. E. class.	D.

单项选择题

两个100Ω的电阻并联，则总电阻为（）。

A、50Ω

B、100Ω

C、150Ω

D、200Ω