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: Surgery
[{'content': 'Which of the following is the predominant collagen type in bone? \nSelect and explain. \nA. Type l, B. Type ll, C. Type lll, D. Type IV', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Type I collagen is the predominant collagen in bone. Type II collagen is found in cailage. Type III collagen is found in skin, blood vessels, uterus, and fetal tissue. Type IV collagen is found in the basement membrane. Ref: Osteoporosis edited by Robe Marcu, Page 194.', 'role': 'assistant'}]