You are preparing a presentation on arthritis. You know the differences between osteoarthritis (OA) and rheumatoid arthritis (RA) include that: (Select all that apply.)

OA is a localized process, whereas RA may be systemic

Initial treatment of both OA and RA is usually nonpharmacological using heat or exercise

Both OA and RA have an acute onset in older adults

OA usually impacts distal interphalangeal joints; RA impacts proximal interphalangeal joints