A client with rheumatoid arthritis has an elevated serum rheumatoid factor. Which interpretation of this finding should the nurse make?

Choice A reason: An elevated serum rheumatoid factor is not directly indicative of a decline in the client's condition but rather a marker of the autoimmune disease.Choice B reason: Elevated serum rheumatoid factor does not provide evidence of disease spread to the kidneys.Choice C reason:The correct answer is c) because an elevated serum rheumatoid factor confirms the presence of an autoimmune disease process such as rheumatoid arthritis.Choice D reason: It does not specifically indicate the onset of joint degeneration but is associated with the overall disease process.