This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pharmacology, Subject name: Pharmacology
[{'content': 'Pharmacovigilance means: \nSelect and explain. \nA. Monitoring of drug safety, B. Monitoring of unethical trade of drugs, C. Monitoring pharma students, D. Monitoring drug efficacy', 'role': 'user'}, {'content': "Answer: A \nExplanation: Pharmacovigilance has been defined by the WHO as the ''science and activities relating to the detection, assessment, understanding, and prevention of adverse effects or any other drug-related problems'' The information generated by pharmacovigilance is useful in educating doctors about the adverse drug reaction and in the official regulation of drug use Ref; KD Tripathi Pharmacology 7th edition (page no:82)", 'role': 'assistant'}]