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
Keloid scars is made up of- 
Select and explain. 
A. Dense collagen, B. Loose fibrous tissue, C. Granulamatous tissue, D. Loose areolar tissue
A: Dense collagen
Answer: A: Dense collagen 
Explanation: Ans. is 'a' i.e., Dense Collagen