This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Papulosquamous disorders, Subject name: Dental
Bleeding spots seen on removal of scales in psoriasis is called as - 
Select and explain. 
A. Auspitz sign, B. Punctate hemorrhage, C. Nikolysk's sign, D. barrier sign
A: Auspitz sign
Answer: A: Auspitz sign 
Explanation: AUSPITZ SIGN- fine bleeding points that appear after removal scales is seen in psoriasis. it is due to capillarity dilatation and touosity in papillary dermis and suprapapillary thinning of epidermis. IADVL textbook of dermatology page 1032 nikolsky sign is seen in pemphigus vulgaris.