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: Dental
Features of epidermolysis bullosa – 
Select and explain. 
A. ↓ Adhesion fibrils, B. Present as miliary & scaring, C. IgG deposits in epidermo-dermal junction, D. None of the above
A: ↓ Adhesion fibrils
Answer: A: ↓ Adhesion fibrils 
Explanation: Epidermolysis bullosa is a group of inherited bullous disorder. Epidermolysis bullosa is due to defect in anchoring complex (keratin - containing intermediate filaments and collegen type VII) that attaches basement membrane to epidermal hemidesmosomes (by keratin containing intermediate filament) and to dermis (by collegen type VII).