The following are multiple choice questions (with answers) about medical knowledge.   **Question:** After Le-Fort 1 osteotomy the blood supply of maxilla is maintained by   (A) Posterior superior alveolar artery   (B) Anterior superior alveolar artery   (C) Greater palatine artery   (D) Ascending palatine branch of facial artery
['(D) Ascending palatine branch of facial artery <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Posterior superior alveolar artery \n (B) Anterior superior alveolar artery \n (C) Greater palatine artery \n (D) Ascending palatine branch of facial artery <> possible answers', '  After Le-Fort 1 osteotomy the blood supply of maxilla is maintained by <> context@']