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: Anatomy
The virulence factor of P.aeruginosa , endotoxin A acts by 
Select and explain. 
A. Type 3 secretion system, B. Inhibiting protein syntesis, C. Acts on toll like receptors, D. Biofilm formation
B: Inhibiting protein syntesis
Answer: B: Inhibiting protein syntesis 
Explanation: It prevents protein synthesis by inhibiting elongation factor 2