A nurse obtains a sterile urine specimen from a client's Foley catheter. After applying a clamp to the drainage tubing distal to the injection port, which action should the nurse take next?
a. Clamp another section of the tube to create a fixed sample section for retrieval.
b. Insert a syringe into the injection port and aspirate the quantity of urine required.
c. Clean the injection port cap of the drainage tubing with povidone-iodine solution.
d. Withdraw 10 mL of urine and discard it; then withdraw a fresh sample of urine.
ANS: C
It is important to clean the injection port cap of the catheter drainage tubing with an appropriate antiseptic, such as povidone-iodine solution or alcohol. This will help prevent surface contamination before injection of the syringe. The urine sample should be collected directly from the catheter; therefore, a second clamp to create a sample section would not be appropriate. Every sample from the catheter is usable; there is the need to discard the first sample.
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