Final answer:
The nurse should change the child's position every 2 hours, assess peripheral pulses every 2 hours, and clean peripheral pin sites daily.
Step-by-step explanation:
When caring for a school-age child in Buck's traction following a leg fracture, the nurse should:
- Change the child's position every 2 hours to promote comfort and prevent complications such as pressure ulcers.
- Assess peripheral pulses once every 2 hours to monitor for any circulatory compromise.
- Clean the peripheral pin sites with chlorhexidine solution every day to prevent infection.
Ensuring that the head of the bed is elevated to a 30° angle is also important to provide adequate traction. However, the option of 90° angle elevation mentioned in option D is incorrect as it is excessive and not recommended.