After obtaining a urine specimen from a client for drug screening,each person who handles the specimen signs an attached paper until testing is completed.This process is called:

Question

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The client should be observed while providing a urine sample to prevent the substitution of another person's urine.A "chain of custody" is maintained when each person who handles the urine signs a paper stating the urine has not been tampered with or out of "custody" until tested.

After Obtaining a Urine Specimen from a Client for Drug