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': 'Receiver operator characteristic (ROC) curve is usually drawn between - \nSelect and explain. \nA. Sensitivity and ( 1- specificity), B. (1- sensitivity) and specifivity, C. Sensitivity and specificity, D. (1- sensitivity) and (1-specificity)', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ref:Parks 23rd edition X-axis : (1-specificity) Y-axis : Sensitivity. Receiver operator curve is used to find out the cutoff Cutoff nearest to the ideal line is considered to be the best cutoff.', 'role': 'assistant'}]