The Nurse Is Monitoring the Collection of a 24-Hour Urine

The nurse is monitoring the collection of a 24-hour urine specimen.What action by the nurse will yield the most accurate test results?

A) Keep the patient on the unit during the test.
B) Keep the urine in a collection bottle in a container of ice.
C) Save all urine from the time the test begins.
D) Leave the collection bottle in the patient's bathroom.