While Examining a Patient's Peripheral Intravenous (IV)site,the Nurse Observes a Red

While examining a patient's peripheral intravenous (IV) site,the nurse observes a red streak along the length of the vein.On palpation,the vein feels hard and cordlike.What is the nurse's best action?

A) Check for a blood return and notify the prescriber.
B) Discontinue the infusion and remove the IV needle.
C) Apply ice packs to the vein and continue the infusion.
D) Change the IV fluid to normal saline and redress the site.