A client has back pain 10 minutes after a unit of packed red blood cells (RBCs) was started. The client's pulse, blood pressure, and respirations are stable, and similar to vital signs obtained before...

A client has back pain 10 minutes after a unit of packed red blood cells (RBCs) was started. The client's pulse, blood pressure, and respirations are stable, and similar to vital signs obtained before infusing the RBCs. What should the nurse do? Select all that apply.

1. Turn off the infusion of the packed RBCs.

2. Flush the Y-tubing with normal saline to clear the line.

3. Send the remaining blood to lab.

4. Prepare for cardiopulmonary resuscitation.

5. Obtain a urine specimen to send to the laboratory.