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: Dental
All of the following are seen in psoriasis except – 
Select and explain. 
A. Auspitz sign present, B. 10% associated with arthritis, C. It is premalignant disease, D. Worsening of disease during winter
C: It is premalignant disease
Answer: C: It is premalignant disease 
Explanation: Psoriasis is not a premalignant condition.
Psoriatic lesions may worsen during winter.
Arthritis occurs in 5-10% of patients.
Auspitz sign is characteristic of Psoriasis