Certified Nursing Assistant Exam Prep

Answer: B - A 24-hour urine specimen is a collection of all urine by a client over a 24-hour period. All urine is collected for 24 hours, usually from 7 A.M. on the first day to 7 P.M. the following day. It is necessary to ask the client to first void and discard this voided urine. This is done because this urine has been in the bladder for an unknown length of time. The test should begin with the bladder empty. For the next 24 hours, save all the urine voided by the client in one collection bottle. It is not important to record the amount of urine and the time voided.