Q73. The interval between a host receiving an infection and the period of attaining maximum infectivity is known as:

Q74. In a population of 7,000,000 (70 lakh), with 30% living in slums and 70 lakh total urban residents, how many Urban Primary Health Centres (UPHCs) should be established for slums according to NUHM guidelines?

Q75. In a de facto census, individuals are counted based on:

Q76. What is the recommended reduction in dietary cholesterol intake to prevent cardiovascular disease risk?

Q77. Which of the following tests is most appropriate to compare the mean hemoglobin levels between two independent groups?

Q78. A patient diagnosed with fever and dry cough was confirmed to have COVID-19. He was admitted to a district hospital and later died there. The death was registered 7 days later. What type of surveillance does this represent?

Q79. What is the recommended weekly dose of iron and folic acid supplementation for adolescents aged 10-19 years?

Q81. A mosquito larva is examined under a hand lens. It has no siphon tube, has abdominal palmate hairs, and rests parallel to the water surface. What is the most likely species?

Q82. A study finds that breast cancer screening increases the 5-year survival rate, but there is no change in overall mortality. What type of bias does this suggest?

Q83. During a community medicine demonstration, medical students are asked to perform the Nalgonda technique. Which combination of bags is required to correctly perform the Nalgonda technique?

Q84. A 3-year-old child presents with bowing of the legs. Which of the following nutritional supplementation programs specifically covers children under 6 years of age?

Q85. A new community-level intervention is being evaluated. Researchers randomly allocate 20 Primary Health Centres (PHCs) to receive standard care, and another 20 PHCs to receive the new intervention. What is the most appropriate classification of this study?

Q86. Which of the following health planning is used to determine whether the objectives were achieved and to measure the quality and effectiveness of outcomes?

Q87. Which of the following is a correct sequence of steps in a randomized controlled trial? (1. Manipulation, 2. Assessment, 3. Follow-up, 4. Randomization)

Q110. A 50-year-old man presents to the OPD with features of skeletal fluorosis. Examination reveals outward bending of both legs. Which of the following is NOT used in his management?