Which of the following identifies the correct procedure for collecting a twenty-four-hour urine specimen?
a) Discard the first morning void and collect all subsequent urine for the next 24 hours.
b) Collect urine only during the day, starting from the first void until bedtime.
c) Collect urine for 24 hours, starting from the first void in the morning.
d) Collect urine at random times throughout the day for a total of 24 hours.