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The statements concerningrheumatoid arthritis(RA) that isTRUEis: "Antibody complex accumulation causesjoint inflammationand damage.""What is rheumatoid arthritis?Rheumatoid arthritisis a chronic, progressive condition that causes joint inflammation and causes severe deformity and immobility, particularly in the fingers, wrists, feet, and ankles.This is mostly common with people who are approachingold age.What are the symptoms of Rheumatoid Arthritis?Signs andsymptomsofrheumatoid arthritismay include:TenderWarmSwollen joints.Joint stiffness that is usually worse in the mornings and after inactivity. Fatiguefever andloss of appetite.What is the cause of Rheumatoid Arthritis?Due to theimmune system's attackon healthy body tissue, rheumatoid arthritis is an autoimmune disease.But the cause of this is not yet understood. In order to combat infection, yourimmune systemoften produces antibodies that target viruses and bacteria.Learn more aboutrheumatoid arthritisat;brainly.com/question/16920119#SPJ1...