This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Physiology and Phases of Wound Healing, Subject name: Surgery
[{'content': 'Tensile strength of wound becomes normal after: \nSelect and explain. \nA. 6 weeks, B. Never, C. 4 months, D. 6 months', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) Never* At the end of the 1st week wound strength is approximately 10%.* Strength increases rapidly over next 4 weeks and about 70- 80% at 3 months.* At 70-80% there is plateau and the original tensile strength cannot be obtained ever.', 'role': 'assistant'}]