KROK 1 2010 – Question 118 · KROK (Medicine) · Microbiology, Virology, and Immunology
A 7 year old child often suffers from streptococcic angina. Doctor suspected development of rheumatism and administered serological examination. The provisional diagnosis will be most probably confirmed by presence of antibodies to the following streptococcic antigen:
- A. C-carbohydrate
- B. Capsular polysaccharide
- C. Erythrogenic toxin
- D. O-streptolysin
- E. M-protein
Hint
Rheumatism follows a streptococcic infection, so ask which streptococcic product induces the antibody titre routinely measured as the laboratory marker of recent infection.
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