After sustaining injuries in a motor vehicle accident, a client spends 10 days recovering in the intensive care unit. His condition stabilizes and he's transferred to the orthopedic unit. Upon arrival at the unit, his vital signs are stable, his temperature is 100° F (37.8° C), and he has an indwelling urinary catheter in place. He is currently on bed rest and able to consume a regular diet. Which independent nursing action should the nurse include in this client's plan of care?