This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
[{'content': 'Most common chronic arthritis seen in children – \nSelect and explain. \nA. JRA, B. Rheumatic arthritis, C. Rheumatic fever, D. Sepsis', 'role': 'user'}, {'content': "Answer: A \nExplanation: Amongst the given option only JRA causes chronic arthritis in children.\n\nArthritis\n\nArthritis in children is diagnosed if -\n\nA) There is swelling or effusion in a joint\nB) There are any 2 of the following features -\n\nDecreased ROM \xa0 \xa0\nPain\xa0\nTenderness\nIncreased local temperature\n\nDifferential diagnosis of arthritis\nAcute arthritis (usually <2 weeks)\n\nAcute rheumatic fever\nTransient (`toxic') synovitis\nArthritis associated with Kawasaki disease\nHenoch-Schlein purpura\nSeptic arthritis (Staphylococcus aureus, Hemophilus influenza,\n\tNeisseria meningitides)\nTrauma\n\nSubacute arthritis (2-6 weeks)\n\nReactive arthritis secondary to extra-articular infection\nArthritis associated with SLE, dermatomyositis, polyarteritis nodosa\nBone pains (? arthritis) associated with leukaemia/neuroblastoma\nArthritis associated with Lyme disease/brucellosis\nSickle cell disease, bleeding diathesis, hemarthrosis\nPrimary immunodeficiency’s (e.g., Bruton's hypogammaglobulinemia)\n\nChronic arthritis (> 6 weeks)\n\nJuvenile rheumatoid arthritis \xa0 \xa0 \xa0\xa0\nAnkylosing arthritis \xa0 \xa0\nTubercular arthritis\xa0\nLegg-Calve-Perthes disease\xa0\xa0\xa0\xa0\xa0\xa0\nPsoriasis\xa0\nInflammatory bowel disease", 'role': 'assistant'}]