This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Malabsorbtion Syndrome, Subject name: Medicine
[{'content': 'In celiac sprue which vitamin deficiency is least likely ? \nSelect and explain. \nA. Vitamin A, B. Vitamin B12, C. Folic acid, D. Iron', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Celiac disease - The proximal pa of the gut > distal pa. Hence vitamin B12 levels are rarely ever low. Due to maximum damage to duodenum and jejunum iron and folic acid deficiency is common Vitamin A deficiency can develop in celiac disease on account of steatorrhea.', 'role': 'assistant'}]