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': 'The difference between primary and secondary healing is \nSelect and explain. \nA. More granulation tissue and fibrosis is seen in secondary healing, B. Scar is more cosmetic in secondary healing, C. Secondary healing occurs faster, D. Surgical wound heal commonly by secondary healing', 'role': 'user'}, {'content': 'Answer: A \nExplanation: In\xa0secondary healing :\n\nMore granulation tissue and fibrosis occurs.\nScar is loss cosmetic.\nSecondary healing occurs slower.\nSurgical wounds are clean cut, hence they heal by secondary healing.', 'role': 'assistant'}]