RHEUMATIC FEVER 1. The highest rates of acute rheumatic fever have been documented in Australia 2. The highest prevalence and age-standardised mortality of rheumatic heart disease are in developed countries. 3. Mitral stenosis is an early complication. 4. Mitral annular calcification is known cause mitral stenosis 5. Normal mitral valve leaflets are seen in mitral valve disease due to rheumatic fever. 1. TRUE- seen in indigenous population. 2. FALSE-developing countries 3. FLASE-LATE 4. TRUE- As world population age 5. FALSE seen in mitral annular calcification.