In the event of any quarantinable disease breaking out during its currency,the certificate of pratique generally ______.
A.
becomes null and void
B.
remains effective
C.
is to be extended
D.
is to renewed
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【单选题】A health care provider is inserting a chest tube. Which materials should the nurse select to be used as the first layer of the dressing at the cheset tube insertion site?
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A.
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B.
HSRP is not supported by the design
C.
preempt tuning of the default gateway is needed
D.
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