This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Health education & planning, Subject name: Social & Preventive Medicine
[{'content': 'When an outcome is compared with intended objectives, it is called as - \nSelect and explain. \nA. Monitoring, B. Evaluation, C. Input-output analysis, D. Network analysis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Input-output analysis is an economic technique.In the health feild,input refers to all health service activities which consume resources and output refers to such useful outcomes as cases treated ,lives saved or inoculations performed (refer pgno:872 park 23 rd edition)', 'role': 'assistant'}]