<prompt> Sensitivity of a test is -True negative false positive true negativeTrue positive True positive false negativeFalse positive True positive True negativeFalse negative True positive false negative  <response>: It has been defined as the ability of the test to identify correctly all those who have the disease, true positive. A 90 percent sensitivity means that 90 percent of the diseased screened by the test will give a true positive result and the remaining 10 percent a false negative result. Ref: 25th edition, Parks Textbook of Preventive and Social Medicine, Page no. 152 