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
Provisional matrix is made up of ? 
Select and explain. 
A. Fibrin, B. Fibronectin, C. Fibrinogen, D. All
D: All
Answer: D: All 
Explanation: Ans. is 'd' i.e., All During wound repair, a provisional wound matrix is formed that contains platelets, fibrinogen, fibrin andlibronectin.