Endocrinology Exam Related

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To obtain a sterile urine specimen from a client with a Foley catheter, the nurse begins by applying a clamp to the drainage tubing distal to the injection port. What does the nurse do 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 10 mL more for the sample.
Correct Answer: C

Rationale: After clamping the drainage tubing, the next step in obtaining a sterile urine specimen from a client with a Foley catheter is to clean the injection port cap of the drainage tubing with povidone-iodine solution. This cleaning step helps prevent contamination of the urine sample. Clamping another section of the tube isn't necessary and may not be a standard practice. Inserting a syringe into the injection port to aspirate urine isn't the correct step at this point. Withdrawing 10 mL of urine and discarding it before collecting the sample isn't appropriate and may lead to an inaccurate sample.