This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Which of the following vitamin deficiencies is uncommon in celiac disease 
Select and explain. 
A. Vitamin D, B. Folic Acid, C. Vitamin A, D. Vitamin B12
D: Vitamin B12
Answer: D: Vitamin B12 
Explanation: Ans. is `d' i.e., Vitamin B12 'Vitamin B is absorbed from the body in the end pa of small intestine (terminal ileum). Because this pa of the bowel is seldom damaged - by celiac disease, Vitamin Bit deficiency is not common in this condition'