The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Most common organism responsible for acute apical abscess:   (A) Trepenoma denticola   (B) Dilaster invisus   (C) E. faecalis   (D) All of the above
['(A) Trepenoma denticola <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Trepenoma denticola \n (B) Dilaster invisus \n (C) E. faecalis \n (D) All of the above <> possible answers', '  Most common organism responsible for acute apical abscess: <> context@']