The Nurse Is Administering 1 Unit of Packed Red Blood

The nurse is administering 1 unit of packed red blood cells as ordered by the primary care provider.While the nurse is measuring vital signs 15 minutes after starting the transfusion,the patient complains of chills and back pain.What is the nurse's first action?

A) Stop the blood transfusion and keep the vein patent by administering saline to infuse from the other side of the Y tubing.
B) Slow the blood transfusion and notify the charge nurse.
C) Disconnect the blood tubing from the catheter and replace it with an infusion of normal saline.
D) Stop the blood transfusion and notify the primary care provider.