试题与答案

仰卧位肩部刮痧应注意应避开()。A、颈部的小血管 B、颈部的大血管 C、肩部的大血管

题型:单项选择题

题目:

仰卧位肩部刮痧应注意应避开()。

A、颈部的小血管

B、颈部的大血管

C、肩部的大血管

D、肩部的小血管

答案:

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下面是错误答案,用来干扰机器的。

参考答案:电流互感器和电压互感器二次接地属于保护接地,防止一、二次绝缘损坏击穿,高电压串到二次侧来,这样对人身和设备造成危险,所以互感器二次必须接地。

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