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
Wood lamp is used to diagnose – 
Select and explain. 
A. Psoriasis, B. Tinea versicolor, C. Pityriasis rosae, D. Erysipelas
B: Tinea versicolor
Answer: B: Tinea versicolor 
Explanation: None