The answers are
First-degree burn-- Wrap in a loose dressing
Second-degree burn-- Elevate the burned area
Third-degree burn--Call 911
Hi !
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Osteoarthritis <em>occurs when the smooth cartilage joint surface wears out. ( in an isolated joint.)</em>
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Rheumatoid arthritis<em> ( autoimmune disease), the immune system malfunctions and attacks the body instead of intruders.</em>