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: Pathology
[{'content': 'Which of the following vitamins is required in proper synthesis of collagen? \nSelect and explain. \nA. Vitamin A, B. Vitamin B, C. Vitamin C, D. None of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Vitamin C is required for the hydroxylation of procollagen, a requirement that explains the inadequate wound healing in scurvy Ref: Robbins 8th edition Chapter 3.', 'role': 'assistant'}]