The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Endotoxin of gram -ve bacteria that do not cause pathogenesis of natural disease   (A) Mycobacterium   (B) Klebsiella   (C) Vibrio   (D) E.coli
['(C) Vibrio <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Mycobacterium \n (B) Klebsiella \n (C) Vibrio \n (D) E.coli <> possible answers', '  Endotoxin of gram -ve bacteria that do not cause pathogenesis of natural disease <> context@']