This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteriology, Subject name: Microbiology
Synergohymenotropic toxins of Staphylococcus consists of 
Select and explain. 
A. alpha toxin, B. leucocidin, C. beta toxin, D. delta toxin
B: leucocidin
Answer: B: leucocidin 
Explanation: The toxins of Staphylococcus are: Cytolytic toxins: which include alpha-hemolysin, beta-hemolysin, gamma hemolysin, delta hemolysin and leucocidin Leucocidin (called the Panton-Valentine toxin or PVL after its discoverers) is a two-component toxin like gamma lysin, being composed of S and F components. Such bi-component, membrane active toxins have been grouped as synergohymenotropic toxins. Ref: Textbook of Microbiology; Ananthanarayanan and Panicker; 10th Edition; Page No: 203, 204