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': 'Important components of collagen synthesis, wound strength and contraction include all of the following EXCEPT \nSelect and explain. \nA. Fibroblasts, B. Myofibroblasts, C. Vitamin C, D. Vitamin D', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Nutritional\xa0 status\xa0 has\xa0 profound\xa0 effects\xa0 on\xa0 repair; protein\xa0 malnutrition\xa0 and\xa0 vitamin\xa0 C\xa0 deficiency,\xa0 for example, inhibit collagen synthesis and retard healing.\nRobins 10 th ed page no 93', 'role': 'assistant'}]