A client who complains of moderate to severe joint pain and stiffness is diagnosed with rheumatoid arthritis. The nurse caring for the client reviews the client's record and notes which of the following as the most consistent diagnostic finding of rheumatoid arthritis?
A)Low sedimentation rate
B)Synovial tissue biopsy showing absence of inflammation
C)Greater than 80 IU/mL rheumatoid factor
D)Normal C-reactive protein levels

Question

Quizplus · Accepted Answer

A rheumatoid factor greater than 80 IU/mL is the most consistent diagnostic finding of rheumatoid arthritis. About 80% of individuals with rheumatoid arthritis are positive for rheumatoid factor. The sedimentation rate and C-reactive protein levels are usually above the normal range. Synovial tissue biopsy shows inflammation.

A Client Who Complains of Moderate to Severe Joint Pain