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Chapter: 1 / Q: 41
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: 1 / Q: 42
In 1945, 1,000 women were identified who worked in a factory painting radium dials on watches. The incidence of bone cancer in these women up to 1975 was compared to that of 1,000 women who worked as telephone operators in 1945. Twenty the radium dial workers and four of the telephone operators d
Chapter: 1 / Q: 43
Prophylactic administration of vitamin K in breast fed babies is an example of:
Chapter: 1 / Q: 44
In an epidemiological study the incidence of disease in females is more than that of males but the prevalence is equal in both. It indicates:
Chapter: 1 / Q: 45
Bhopal gas tragedy is an example of:
Chapter: 1 / Q: 46
Residents of three villages with three different types 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: 1 / Q: 47
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: 1 / Q: 48
In a population of 1000, measles coverage is 60%, one child goes out of station and comes back with measles from whom 26 more children get the measles. The secondary attack rate is:
Chapter: 1 / Q: 49
To compare the death rate of India with the death rate of Pakistan, the most appropriate measure is a comparison between:
Chapter: 1 / Q: 50
About 2500 deaths were reported in road side accidents during the year 2006 in Pakistan. If the total number of deaths due to accidents is expressed against the mid-year population of Pakistan in year 2006 this will give:
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