Question

which type of arthritis involves multiple joints throughout the body?
osteoa rthritis
rheumatoid arthritis
psoriatic arthritis

Explanation:

Osteoarthritis usually affects joints due to wear - and - tear, often in a few joints (like knees, hips). Psoriatic arthritis is related to psoriasis and can affect joints but not as generally multiple throughout the body as rheumatoid arthritis. Rheumatoid arthritis is an autoimmune disorder that typically involves multiple joints symmetrically throughout the body.

Answer:

B. rheumatoid arthritis