The following are multiple choice questions (with answers) about medical knowledge.   **Question:** In Ricketts esthetic plane, lower lip rests:   (A) 1 mm anterior to plane   (B) On the plane   (C) 2 mm posterior to plane   (D) 1 mm posterior to plane
['(C) 2 mm posterior to plane <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) 1 mm anterior to plane \n (B) On the plane \n (C) 2 mm posterior to plane \n (D) 1 mm posterior to plane <> possible answers', '  In Ricketts esthetic plane, lower lip rests: <> context@']