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
Early granulation tissue 
Select and explain. 
A. Type I collagen, B. Type IV collagen, C. Type I & IV collagen, D. None
C: Type I & IV collagen
Answer: C: Type I & IV collagen 
Explanation: Early granulation tissue- Type I & III collagen