Which statement made by the client indicates the need for clarification with regard to the instructions for collecting a 24-hour urine specimen for assessment of endocrine function?
A. "I will continue to take my prescribed heart medicine."
B. "I will add the preservative to the container at the beginning of the test."
C. "I will begin the collection with the urine I excrete when I first get up in the morning and note the time."
D. "I will end the collection by urinating the last specimen exactly 24 hours after the time the test was started."
C
The 24-hour urine collection specimen is started when the client first arises and urinates. This first specimen is discarded but the time is noted. This first urine is discarded because there is no way to know how long it has been in the bladder. The client adds all urine voided after that first discarded specimen during the next 24 hours. When the 24-hour mark is reached, the client voids one last time and adds this specimen to the collection.
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