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Microbiology All India exam 53c4c1a6

True statement about antistreptolysin 'O' titer is

A
In normal people the titre is > 200
B
In acute glomerulonephritis the titre is low
C
ASO titre > 200 indicate rheumatic fever
D
It is poorly antigenic
High-Yield Explanation
ASO (Anti Streptolysin 'O') titer:Estimation of antibody against streptolysin is a standard serological test for retrospective diagnosis of streptococcal infectionASO titer> 200 is indicative of prior streptococcal infectionRaised after throat infection onlyIn acute glomerulonephritis the titer is low

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