Problem: The nurse is teaching a client with osteoarthritis about self-management strategies. Which of the following strategies should the nurse include? Looking for Assignment Help? Select all that apply. 1. Maintain a BMI above 30 kg/m . 2. Attend swimming classes regularly. 3. Take methotrexate for acute joint pain. 4. Apply heat or cold therapy to the affected joints. 5. Schedule routine testing for serum rheumatoid factor levels.