The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Junctional epithelium   (A) Lines the gingival sulcus   (B) Is permeable   (C) Is derived initially from the outer enamel epithelium   (D) Is attached to enamel by desmosomes
['(B) Is permeable <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Lines the gingival sulcus \n (B) Is permeable \n (C) Is derived initially from the outer enamel epithelium \n (D) Is attached to enamel by desmosomes <> possible answers', '  Junctional epithelium <> context@']