A nurse is planning postoperative care for an adolescent following scoliosis repair with spinal instrumentation. Which of the following actions should the nurse include in the plan of care?

Ensure two nurses logroll the adolescent every 2 hr.

Maintain the head of the bed at a 30° angle.

Assist the adolescent to ambulate 12 hr following surgery.

Offer sips of water 4 hr following surgery.