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What should you do before starting a 24-hour urine specimen collection?

  1. Give the resident a full glass of water

  2. Ensure the resident has an empty bladder

  3. Label the specimen container

  4. Provide a clean specimen cup

The correct answer is: Give the resident a full glass of water

Before starting a 24-hour urine specimen collection, it is important to ensure that the resident has an empty bladder. This way, the collection will not be contaminated with any previous urine. Labeling the specimen container and providing a clean specimen cup are also important steps, but they should be done after ensuring the resident has an empty bladder. Providing a full glass of water is not necessary before starting the collection as it may affect the results and cause dilution of the urine sample. Therefore, option A is the best answer.