This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Clinical Trials, Subject name: Pharmacology
[{'content': 'Pharmacovigilance is: \nSelect and explain. \nA. Monitoring generic drugs, B. Monitoring drug efficacy, C. Monitoring ethical drug, D. Monitoring adverse effects of drugs', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. (d) Monitoring adverse effects of drugsRef: KDT 6th ed./ 79* Pharmacovigilance is the science and activities relating to the detection assessment, understanding and prevention of adverse effects or any other possible drug- related problems.* Recently, its concerns have been widened to include herbals, traditional and complementary medicines, blood products, biologicals, medical devices and vaccines.', 'role': 'assistant'}]