This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vitamins and Minerals, Subject name: Biochemistry
Deficiency of which vitamin leads to Wernicke's encephalopathy? 
Select and explain. 
A. Riboflavin, B. Pyridoxine, C. Thiamine, D. Biotin
C: Thiamine
Answer: C: Thiamine 
Explanation: Ans. is 'c' i.e., Thiamine* Deficiency of thiamine causes:i) Beriberiii) Wernicke's encephalopathy, with korsakoffpsychosisiii) Lactic acidosis