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: Skin
Bulkeley membrane is seen in : 
Select and explain. 
A. Psoriasis, B. Pemphigus, C. Tinea, D. Pityriasis
A: Psoriasis
Answer: A: Psoriasis 
Explanation: A. i.e. Psoriasis