system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
The usefulness of a screening test in a community depends on its-
assistant
The correct answer is  Ref:Parks 23rd edition pg 139 An ideal screening test should have 100% sensitivity. Sensitivity is defined as the ability of a test to identify correctly all those who have the disease, that is "true positive"