The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Incus and malleus are derived from:   (A) Dorsal end of meckels cartilage.   (B) Ventral end of meckels cartilage.   (C) Inferior end of meckels cartilage.   (D) Any of the above.
['(A) Dorsal end of meckels cartilage. <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Dorsal end of meckels cartilage. \n (B) Ventral end of meckels cartilage. \n (C) Inferior end of meckels cartilage. \n (D) Any of the above. <> possible answers', '  Incus and malleus are derived from: <> context@']