8. Correct comparisons between osteoarthritis (OA) and rheumatoid arthritis (RA) dose not include:
(A) Steroids and the newer drugs that focus on controlling cytokines, such as tumor necrosis factor
(TNF), may reduce pain in OA and RA
(B) OA mainly involve the joints and RA may present extra-articular features
(C) OA appears to be a mechanically driven, and RA presents an immunologically driven disorder
(D) Pain management is similar in RA and OA, but the main focus is on controlling the disease
process through the use of disease-modifying antirheumatic drugs (DMARDs)
(E) Female sex is a common factor in either OA or RA