This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Screening, Subject name: Social & Preventive Medicine
[{'content': 'The amount of previously inrecognised disease that is diagnosed as a result of the creening effor is known as - \nSelect and explain. \nA. Predictive accuracy, B. Reliability, C. Yield, D. Validity', 'role': 'user'}, {'content': 'Answer: C \nExplanation: .<p>yield is the amount of previously unrecognised disease that is diagnosed as a result of the screening effo .it depends upon the sensitivity,specificity, and prevalence of the disease.selection of high risk populations helps to increase the yield.</p><p>ref:park&;s textbook of preventive and social medicine,22 nd edition,pg no127</p>', 'role': 'assistant'}]