Streptococcal cell wall polysacharide cross reacts with?
Ans. is 'a' i.e., Myocardial muscle Group A carbohydrate (cell wall polysaccharide of gorup A streptococcus, i.e. streptococcus pyogenes) cross reacts with myocardium.
Myocardial muscle
Cardiac value
Endocardium
Synol fluid