This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Screening for Disease, Subject name: Social & Preventive Medicine
[{'content': 'More false positive cases in a screening test is due to - \nSelect and explain. \nA. Low prevalence, B. High specificity, C. High PPV, D. Low sensitivity', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Low prevalenceo If a population has more false positive cases : -i) Screening test is more sensitiveii) Positive predictive value of the test is low.iii) Prevalence of disease is low.o If a population has more false negative casesi) Screening test is more specificii) Negative predictive value of the test is low", 'role': 'assistant'}]