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: Pharmacology
[{'content': 'All of the following is true about “Imiquimod” except: \nSelect and explain. \nA. Direct antiviral activity, B. Indirect antiviral activity, C. Antitumor activity, D. It releases cytokines', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Mechanism of Action\xa0\nThe probable mechanism in treating actinic keratosis and external genital warts is, it is a immune response modifier, stimulates the release of inflammatory cytokines and proliferation/migration of immune cells.\nNo direct antiviral activity.', 'role': 'assistant'}]