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': 'Psoriasis is exacerbated by- \nSelect and explain. \nA. Lithium, B. B- blockers, C. Antimalarials, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D. i.e. All', 'role': 'assistant'}]