This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Tretment of pernicious anemia patient with folic acid will improve all except \nSelect and explain. \nA. Nervous lesions, B. Blood picture, C. Changes in gut, D. General symptoms', 'role': 'user'}, {'content': 'Answer: A \nExplanation: B 12 resevers will be used up for rbc maturation leaving less of neuronal fuction leading to nerve lesions', 'role': 'assistant'}]