Correct Answer -C

Ans. is 'c' i.e., ASO Titre

In rheumatic fever and glomerulonephritis, retrospective diagnosis of streptococcal infection may be established by demonstrating high levels of antibodies to streptococcal toxins

• The usual test done is antistreptolysin O titration.

• ASO titres higher than 200 units are considered significant and suggests either recent or recurrent infection with streptococci.

ASO titres > 200 units do not mean rheumatic fever, it only indicates recent or recurrent infection.

Correct Answer -C Ans. is 'c' i.e., Smooth muscle cell hypertrophy • Rupture occurs in advanced atherosclerotic lesion. • In advanced atheroma, smooth muscle cells undergo apoptosis and advanced atheromatous plaque often have mostly fibrous character with lack of smooth muscle cells that are seen in less advanced lesion.