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: Psychiatry
[{'content': "Ekbom's syndrome is seen in \nSelect and explain. \nA. Cocaine intoxication, B. Amphetamine, C. Severe depression, D. Acute psychosis", 'role': 'user'}, {'content': "Answer: A \nExplanation: Ekbom's syndrome or Delusional parasitosis is seen in cocaine intoxication where patient feels a sensation of insects crawling over the body.", 'role': 'assistant'}]