A patient is scheduled to begin a 24-hour urine collection to assess their renal function. As the medical assistant, you are responsible for instructing the patient on how to properly collect the specimen. Which of the following instructions is correct for ensuring the validity of the test?
Tell the patient to begin collecting urine at any time in the morning and continue collecting all urine voided during the day and night until the next morning.
Instruct the patient to start collecting their urine with the second void of the morning and to include the first void of the following morning to ensure a full 24-hour period is accounted for.
Inform the patient to collect as much urine as possible whenever it is feasible throughout the day and evening.
Advise the patient to collect their urine starting at any convenient time but ensure that all collection is done within the same day for convenience.