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

A. Incorrect – The tourniquet should be applied above the venipuncture site, not below, to promote vein distension. B. Incorrect – The nondominant arm is preferred to reduce mobility restrictions and potential complications. C. Correct – A palpable, straight vein allows for easier insertion and reduces the risk of complications such as infiltration. D. Incorrect – The arm should be lowered, not elevated, before insertion to promote venous distension.