Question

QUESTION Produced by rare invasive strains and scarlet fever strains this bacterium, a Gram-positive coccus in chains, this superantigen causes streptococcal toxic shock syndrome (STSS). Excessive cytokine production leads to fever, rash, and SIRS. Tetanus exotoxin Botulism exotoxin Streptococcal pyrogenic exotoxin (SPE) Cholera exotoxin Leukotoxin

Answer 1

Option C is correct. Streptococcal pyogenic exotoxin (SPE) causes streptococcal toxic shock syndrome. Bacterial exotoxins and virulence factors spread into deep tissues and bloodstream and induces cytokine cascade.

Excessive cytokine production leads to fever, rash and SIRS.