The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Not true about vibrio cholera is   (A) Increase water and sodium loss by debilitating diarrhoea   (B) Toxic protein is cholera toxin   (C) Activate adenylatecyclase   (D) Gram positive rod
['(D) Gram positive rod <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Increase water and sodium loss by debilitating diarrhoea \n (B) Toxic protein is cholera toxin \n (C) Activate adenylatecyclase \n (D) Gram positive rod <> possible answers', '  Not true about vibrio cholera is <> context@']