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Chapter: 31 / Q: 1
A total of 3500 patients with thyroid cancer are identified and surveyed by patient-interviews regarding past exposure to radiation. Which options explains the given example?
Chapter: 31 / Q: 2
A total of 10,000 Vietnam veterans, half of whom are known by combat records to have been in areas where Agent Orange was used and half of whom are known to have been in areas where no Agent Orange was used, are asked to give a history of cancer since discharg Which option explains the given exampl
Chapter: 31 / Q: 3
Patients admitted for carcinoma of the stomach are age and sex-matched, with smoking history to assess the possible association. Which option explains the given example?
Chapter: 31 / Q: 4
In a study of 500 cases of a disease and 500 controls, the suspected etiological factor is found in 400 of the cases and 100 of the controls. The absolute risk (incidenc of disease in persons with the factor is:
Chapter: 31 / Q: 5
Residents of three village with three different types of water supply were asked to participate in a study to identify cholera carriers because several cholera deaths had occurred in the recent past. Virtually everyone was present at the time of examination. The proportion of carriers in each villa
Chapter: 31 / Q: 6
In a village of 1 lakh population, among 20,000 exposed to smoking, 200 developed cancer, and among 40,000people unexposed, 40 developed cancer. The relative risk of smoking in the development of cancer is:
Chapter: 31 / Q: 7
Which one of the following is the odds ratio, calculated from the given data?
Chapter: 31 / Q: 8
The estimate of the average number of additional years a person could expect to live, if the age specific death rates for a given year prevail for the rest of his life is best expressed by:
Chapter: 31 / Q: 9
In a universe comprising of 1500 children less than 5 years of age, 75 children with severe malnutrition were foun If 75 new cases of severe malnutrition were registered over a period of one year, the incidence rate for severe malnutrition during the same year is:
Chapter: 31 / Q: 10
Every year during the winter season the hospital admissons are more for pneumonia cases. This year also about 358 children with pneumonia were admitted in the Pediatric department of POF Hospital between the months of Jan – Mar 2007. This increased frequency of respiratory infections during winter
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