A Patient Receiving a Unit of Packed Red Blood Cells

A patient receiving a unit of packed red blood cells for hypovolemic shock is demonstrating signs of a transfusion reaction. In which order should the nurse provide care to this patient?
A) Stop the transfusion and notify the physician
B) Compare the blood slip with the unit of blood
C) Assess vital signs and associated manifestations
D) Save the blood bag and tubing for laboratory analysis
E) Collect urine and venous blood samples according to policy
F) non of the above.