The Nurse Needs to Obtain a Sterile Urine Specimen for Culture

The nurse needs to obtain a sterile urine specimen for culture and sensitivity (C&S) from a patient who has an indwelling catheter.The catheter was placed the night before.What must the nurse do to obtain the specimen?

A) Obtain the urine from the drainage bag.
B) Clamp the drainage tubing for 15 minutes.
C) Draw urine using a 20-mL syringe.
D) Insert the needle into the silicone catheter.