This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Skin
Psoriasis is characterised by 
Select and explain. 
A. Darier's sign, B. Auspitz sign, C. Nikolsky's sign, D. Gottoson's sign
B: Auspitz sign
Answer: B: Auspitz sign 
Explanation: (B) Auspitz sign # Auspitz Sign: Psoriasis (pin point bleeding from a lesion when rubbed with a spatula to remove loose scales which indicated patch thinning of epidermis overlying papillary process of dermis.