<prompt> In a town with population of 100,000, the number of slides examined is 5000. Out of these, 100 slides were positive for malaria. The API is?2510.5  <response>: ANSWER: C 1REF: Park 20th edition page 227API confirmed casespopulation x 1000: it is a measure of malaria incidence. 100100000 x 1000 1ABER slides examinedpopulation x 100: It is a measure of operational efficiency. ABER for this case5 