Answer:
c. "It is important to start methotrexate early to decrease the extent of joint damage."
Step-by-step explanation:
Rheumatoid arthritis(RA) is an autoimmune disease in which our immune system attacks our own cells including joints. Over time this disease causes the inflammation of joints, bone erosion, and joint deformity.
Methotrexate is the most popular and the most effective drug used against RA. It decreases immune system activity and reduces the pain and swelling of joints. So starting methotrexate early is important to reduce the damage of joints by RA.
Therefore the most appropriate response by the nurse is c.