Which statement indicates that the patient needs further instruction about application of ice to a sprain?

A. This statement shows appropriate understanding of combining elevation and ice to help reduce swelling. B. Keeping ice on the knee for the entire day is inappropriate and potentially harmful. Ice should be applied for 15 to 20 minutes at a time, every 2 to 3 hours during the first 24 to 48 hours to prevent tissue damage and frostbite. C. This reflects accurate understanding of ice’s purpose in reducing inflammation and swelling. D. This indicates the patient understands the duration of ice therapy as commonly recommended after an acute injury.