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
[{'content': 'Defects in which of the following doesn’t cause blistering \nSelect and explain. \nA. Collagen Vll and pectin, B. Filaggrin, C. Laminin, D. Keratin', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Filaggrin defects causes icthyosis and atopic dermatitis, but not blistering disease.', 'role': 'assistant'}]