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: Physiology
Blistering of skin is common in the presence of abnormal: 
Select and explain. 
A. Intermediate filaments, B. Centrosomes, C. Microfilaments, D. Microtubules
A: Intermediate filaments
Answer: A: Intermediate filaments 
Explanation: Intermediate Filaments are a pa of of cytoskeleton. They form a flexible scaffolding for cell which helps cell to resist external pressure. So in their absence cells rupture easily. Ref: Ganong's Review of Medical Physiology, 21st Edition, Page 13