Streptococcal cell wall polysacharide cross reacts with?: (A) Myocardial muscle, (B) Cardiac value, (C) Endocardium, (D) Synol fluid
Answer is A. 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.