Which client instruction is important when the client is scheduled for a vanillylmandelic acid (vma) test? select all that apply 1. avoid caffeine for 72 hours. 2. a 24 hour urine specimen requires starting with an empty bladder. 3. limit physical exercise throughout the test. 4. avoid all commercially prepared foods for 24 hours prior to testing. 5. a preservative will be added to the collection container so no ice is required?

Answer : For clients when vanillylmandelic acid (vma) test is scheduled the important instructions should be ;

1. Avoid caffeine for 72 hours.

2. A 24 hour urine specimen requires starting with an empty bladder.

3. Limit physical exercise throughout the test.

4. A preservative will be added to the collection container so no ice is required.

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