A nursing student preparing a presentation on arthritis knows that differences between osteoarthritis (OA) and rheumatoid arthritis (RA) include what? (Select All that Apply.)

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

Both OA and RA present with joint stiffness lasting 20-30 minutes after rest.

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

OA is a localized process, whereas RA may be systemic.

Both OA and RA have an acute onset in older adults.