The nurse is to collect a urine specimen from an indwelling catheter without a needleless port.There is no urine in the tubing.After collecting all required equipment,and preparing the client,what would the nurse do first?

A) Open the sterile container
B) Insert a needle into the tubing
C) Clamp the catheter tubing
D) Clean the tubing with disinfectant swab

Indwelling Catheter

A medical device inserted into a body cavity or vessel to allow for continuous drainage or administration of fluids.

Sterile Container

A container that has been treated to destroy all microorganisms, used to hold and protect sterile medical or laboratory instruments.

Disinfectant Swab

A small piece of material used for cleaning surfaces, pre-soaked with a disinfecting solution.