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COMMUNITY MEDICINE IMPORTANT MULTIPLE CHOICE QUESTIONS

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COMMUNITY MEDICINE IMPORTANT MULTIPLE CHOICE QUESTIONS: Brief Overview: G ENERAL E PIDEMIOLOGY 1. While investigating a point source epidemic it was found that 120 students ate five different fo ... ods (meat burgers, fried fish, steak, and rice and fruit salad. The relative risk was calculated for all those five foods. It was concluded that fish was not responsible for this epidemic. The relative risk of fish is: a) 0.7 b) 1.2 c) 1.7 Key: True: a d) 3.0 e) 7.0 2.In a prospective study of the relationship between oral contraceptive use and the subsequent risk of developing endometrial cancer, a cohort of 1000 women were followed for 5 years. The results were as follows: Present Absent A 245 B 75 C 50 D 630 A + C = 295 B + D = 705 n = 1000 3. What is the incidence rate (absolute risk) of endometrial cancer among who didn’t use oral contraceptives? a) 630 / (50 + 630) b) 75 / (245 + 75) c) 50 / (50 + 630) Key: True: c 50/ (50 + 630) d) 245 / (245 + 75) e) Insufficient data 4. In a prospective study of the relationship between oral contraceptive use and the subsequent risk of developing endometrial cancer, a cohort of 1000 women were followed for 5 years. The results were as follows: Present AbsentA 245 B 75 C 50 D 630 A + C = 295 B + D = 705 n = 1000 [Show More]

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