A nurse is preparing to insert an IV catheter for a client. Which of the following actions should the nurse plan to take?

A. The nondominant arm is preferred to reduce discomfort and interference with the client's activities. B. Elevating the arm reduces venous filling and is not recommended before IV insertion. C. Selecting a vein that is palpable and straight minimizes complications and improves the success of the IV insertion. D. The tourniquet should be applied above the venipuncture site to engorge the veins and make them more accessible.