The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 37-year-old patient presented to you with hyper-extension of 4th and 5th metacarpophalangeal joint with flexion at proximal interphalangeal joint. This deformity is due to injury to:   (A) Deep branch of ulnar nerve   (B) Median nerve   (C) Radial nerve   (D) Superficial branch of median nerve
['(A) Deep branch of ulnar nerve <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Deep branch of ulnar nerve \n (B) Median nerve \n (C) Radial nerve \n (D) Superficial branch of median nerve <> possible answers', '  A 37-year-old patient presented to you with hyper-extension of 4th and 5th metacarpophalangeal joint with flexion at proximal interphalangeal joint. This deformity is due to injury to: <> context@']