This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Epidemiology, Subject name: Social & Preventive Medicine
[{'content': 'Continues scrutiny of factors that affect the occurence of a disease is - \nSelect and explain. \nA. Epidemiology, B. Monitoring, C. Surveillance, D. Screening', 'role': 'user'}, {'content': "Answer: C \nExplanation: Surveillance has been defined as the continuous scrutiny of all aspects of occurrence and the spread of diseases that are peinent to effective control. Surveillance goes beyond the passive repoing of cases Ref: 25th edition, Park's Textbook of Preventive and Social Medicine, Page no. 138", 'role': 'assistant'}]