The following are multiple choice questions (with answers) about medical knowledge.   **Question:** False about enamel rods is   (A) They are perpendicular to tooth surface   (B) They are parallel to each other   (C) Diameter of enamel rods is 30micrometer at DEJ   (D) Diameter of enamel rod is 5 micrometer at DEJ
['(C) Diameter of enamel rods is 30micrometer at DEJ <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) They are perpendicular to tooth surface \n (B) They are parallel to each other \n (C) Diameter of enamel rods is 30micrometer at DEJ \n (D) Diameter of enamel rod is 5 micrometer at DEJ <> possible answers', '  False about enamel rods is <> context@']