The patient has an indwelling urinary catheter. What step should the nurse take first to obtain a urine specimen from this patient?
a. Apply sterile gloves for the procedure.
b. Insert a small needle into the drainage tubing.
c. Clamp the drainage tubing for several minutes.
d. Disconnect the catheter and drain the urine into the cup.
C
The nurse clamps the clear drainage tubing below the self-sealing sampling port for 10 to 30 minutes before collecting a urine specimen from an indwelling urinary catheter to allow accu-mulation of fresh urine. Sterile gloves are needed for the perineal preparation for a voided urine specimen; this specimen will come from the catheter. Inserting a needle into the drainage tubing potentially causes a crack or a leak in the tubing because the tubing is not designed for punctur-ing. The nurse avoids disconnecting any sterile drain unless necessary.
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