An older adult client is receiving second unit of blood when the nurse enters the room and finds the client sitting up in bed. The client is dyspneic and seems confused. Lung auscultation reveals crackles in the bases of both lungs. Vital sign measurement reveals a rapid, bounding pulse and elevated blood pressure. After discontinuing the transfusion, which intervention should the nurse implement 

a. Send the blood bag and blood tubing to the blood bank

b. Obtain a urine specimen. 

c. Monitor for hives and pruritus 

d. Keep theIV access line intact for diuretic administration.