This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
Toxin involved in the streptococcal toxic shock syndrome is - 
Select and explain. 
A. Pyrogenic toxin, B. Erythrogenic toxin, C. Hemolysin, D. Neurotoxin
A: Pyrogenic toxin
Answer: A: Pyrogenic toxin 
Explanation: Ans. is 'a' i.e., Pyrogenic toxin Streptococcal T.S.S. is due to production of Pyrogenic exotoxin (erytrogenic toxin). Remember - Staphylocaccal T.S.S. is due to production of pyrogenic exotoxin 'C'also known as T.S.S. T type 1 or enterotoxin type f