The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Amniotic fluid contains acetyl cholinesterase enzyme. What is the diagnosis ?   (A) Open spina bifida   (B) Gastroschisis   (C) Omphalocele   (D) Osteogenesis imperfecta
['(A) Open spina bifida <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Open spina bifida \n (B) Gastroschisis \n (C) Omphalocele \n (D) Osteogenesis imperfecta <> possible answers', '  Amniotic fluid contains acetyl cholinesterase enzyme. What is the diagnosis ? <> context@']