The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Direction of force by class III elastic in face mask?   (A) 15-20 degree downward from occlusion   (B) 15-20 degree upward from occlusion   (C) 35-40 deg downward from occlusion   (D) 5-10 deg downword from occlusion
['(A) 15-20 degree downward from occlusion <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) 15-20 degree downward from occlusion \n (B) 15-20 degree upward from occlusion \n (C) 35-40 deg downward from occlusion \n (D) 5-10 deg downword from occlusion <> possible answers', '  Direction of force by class III elastic in face mask? <> context@']