This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Dental
Exfoliative dermatitis is seen in all the following except 
Select and explain. 
A. Drug reaction, B. Psoriasis, C. Pityriasis rosea, D. Pityriasis rubra pilaris
C: Pityriasis rosea
Answer: C: Pityriasis rosea 
Explanation: .