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
The above nail changes are seen in: 
Select and explain. 
A. Lichen planus, B. Alopecia areata, C. Psoriasis, D. Onycholysis
C: Psoriasis
Answer: C: Psoriasis 
Explanation: Salmon patch or translucent oil drop like discoloration beneath nail plate is calssically seen in Psoraisis.