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: Skin
[{'content': 'The following statement is TRUE for Pityriasis Rosea: \nSelect and explain. \nA. Self limiting, B. Chronic relapsing, C. Life threatening infection, D. Caused by dermatophytes', 'role': 'user'}, {'content': "Answer: A \nExplanation: Pityriasis rosea is an acute exanthematous papulosquamous eruption often with a characteristic self limiting course. The etiology is not known (It is not caused by dermatophytes). It is present during the spring and fall. Ref: Harrison's Principles of Internal Medicine 16thEdition Page 292; Roxburgh's-Common Skin disease 17th Edition Page 17; Fitzpatrick's Dermatology 5th Edition Page 7369; Illustrated Textbook of Dermatology: Pasricha 3rd Edition Page 7134; Illustrated Synopsis of Dermatology & STDs, Neena Khanna 1st Edition Page 742-44", 'role': 'assistant'}]