This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
Which of the following is/are true about a screening test? 
Select and explain. 
A. Sensitivity is 1 – False positive rate, B. None of the these, C. Specificity is 1 – False negative rate, D. Post-test probability is Pre-test probability multiplied by Prevalence
B: None of the these
Answer: B: None of the these 
Explanation: None