The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Gingival massage increases blood supply in:   (A) Epidermis   (B) Basal layer   (C) Lamina propria   (D) All of the above
['(C) Lamina propria <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Epidermis \n (B) Basal layer \n (C) Lamina propria \n (D) All of the above <> possible answers', '  Gingival massage increases blood supply in: <> context@']