A 78-year-old male client needs to complete a 24-hour urine specimen. In planning his care, the nurse realizes that which measure is most important? 1. Instruct the client to empty his bladder and...

A 78-year-old male client needs to complete a 24-hour urine specimen. In planning his care, the nurse realizes that which measure is most important?

1. Instruct the client to empty his bladder and save this voiding to start the collection.

 2. Instruct the client to use sterile individual containers to collect the urine.

 3. Post a sign stating “Save All Urine” in the bathroom.

4. Keep the urine specimen in the refrigerator.