This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vesiculobullous (Blistering) Disorders, Subject name: Skin
All are vesiculo bullous lesions except: 
Select and explain. 
A. Dermatitis herpetiformis, B. Scabies, C. Pemphigus, D. Pemphigoid
B: Scabies
Answer: B: Scabies 
Explanation: Ans is 'b' i.e, Scabies [Ref: Harrison 16th/e p. 312 t(49.1) & 15th/ep. 323 t(57.12)