The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Dental plaque adheres to the tooth because:   (A) Levans are gummy   (B) Dextrans are insoluble and sticky   (C) Plaque grows into the irregularities   (D) Microorganisms produce sticky lipoproteins
['(B) Dextrans are insoluble and sticky <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Levans are gummy \n (B) Dextrans are insoluble and sticky \n (C) Plaque grows into the irregularities \n (D) Microorganisms produce sticky lipoproteins <> possible answers', '  Dental plaque adheres to the tooth because: <> context@']