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
Type of collagen predominant in basement membrane: 
Select and explain. 
A. Type I, B. Type II, C. Type III, D. Type IV
D: Type IV
Answer: D: Type IV 
Explanation: In the basement membrane, polymers of laminin and collagen type IV form tightly bound networks. Ref: Robbins 8th edition Chapter 3.