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
Simplex type of Epidermolysis Bullosa involves mutations in 
Select and explain. 
A. Keratin 5, B. Lamina lucida, C. Type vII collagen, D. Dystrophin
A: Keratin 5
Answer: A: Keratin 5 
Explanation: Simplex type of Epidermolysis Bullosa involves mutations in in keratin 5 or 14.