Final answer:
The nurse suggests heat/cold therapy to relieve the pain of osteoarthritis by relaxing muscles, improving blood flow, numbing the area, and reducing inflammation. Other nonpharmacologic therapies that may help relieve pain include exercise, weight loss, and pain management techniques.
Step-by-step explanation:
The nurse suggests heat/cold therapy to relieve the pain of osteoarthritis. Heat therapy can help relax muscles and improve blood flow to the affected area, while cold therapy can numb the area and reduce inflammation. Both can provide temporary pain relief and improve joint mobility. Other nonpharmacologic therapies that may help relieve pain include exercise, weight loss, and pain management techniques.