The nurse recognizes which client as being at highest risk for septic shock?

82-year-old with leukemia receiving broad-spectrum IV antibiotics via a triple-lumen central line.

35-year-old with HIV receiving enteral feedings via a percutaneous endoscopic gastrostomy (PEG) tube.

12-year-old with open fracture of the left femur and two peripheral IVs.

65-year-old with pneumonia receiving IV fluids and broad-spectrum oral antibiotics.