试题与答案

判断变压器油的质量,主要依靠测量其电气强度、介质损耗角正切和含水量等。

题型:判断题

题目:

判断变压器油的质量,主要依靠测量其电气强度、介质损耗角正切和含水量等。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A

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A client with an indwelling urinary catheter is suspected of having a urinary tract infection. The nurse should collect a urine specimen for culture and sensitivity by

A.disconnecting the tubing from the urinary catheter and letting the urine flow into a sterile container.

B.wiping the self-sealing aspiration port with antiseptic solution and aspirating urine with a sterile needle.

C.draining urine from the drainage bag into a sterile container.

D.clamping the tubing for 60 minutes and inserting a sterile needle into the tubing above the clamp to aspirate urine.

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