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
When is the maximum collagen content of woundtissue - 
Select and explain. 
A. Between 3rd to 5th day, B. Between 6th to 17th day, C. Between 17th to 21st day, D. None of the above
C: Between 17th to 21st day
Answer: C: Between 17th to 21st day 
Explanation: Over the first 3 weeks strength and collagen content both increases but after 21 days collagen content remains static and only wound strength increases.