Answer to Question 1
ANS: A
Polyarthritis is swollen, hot, red, and painful joints. The affected joints will change every 1 to 2 days. Primarily the large joints are affected. Osler's nodes, Janeway spots, and splinter hemorrhages are characteristic of infective endocarditis.
Answer to Question 2
ANS: D
Cardiac valve damage is the most significant complication of rheumatic fever. Seizures, cardiac arrhythmias, and pulmonary hypertension are not common complications of rheumatic fever.