A patient with severe rheumatoid arthritis asks the nurse, "Why am I taking a chemotherapy drug for arthritis? Methotrexate was given to my mother for cancer"? Which response would the nurse provide?
1. "Rheumatoid arthritis is like cancer."
2. "Methotrexate relieves the pain of arthritis."
3. "Methotrexate decreases the body's overreactive immune response."
4. "Rheumatoid arthritis is a debilitating disease and needs a strong drug to stop the damage."