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HSA/535 HSA535 HSA 535 Final Exam Part 2

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HSA 535 Final Exam Part 2 • Question 1 Which of the following is not usually an aim of epidemiology? • Question 2 Which of the following activities characterizes an epidemiologic approach (as opposed to a clinical approach)? • Question 3 The Epidemic Intelligence Service (EIS) is responsible for (give the best answer): • Question 4 According to the natural history of disease model, the time before the precursors of disease and the host interact is called the period of: • Question 5 Indicate the level of prevention that is represented by nutritional counseling for pregnant women • Question 6 Using epidemiology for operational research involves: • Question 7 To provide a direct estimate of the risk of developing a disease. Is this a use for incidence or prevalence data? • Question 8 An epidemiologic survey of roller-skating injuries in Metroville, a city with a population of 100,000 (during the midpoint of the year), produced the following data for a particular year: Number of skaters in Metroville during any given month 12,000 Roller-skating injuries in Metroville 600 Total number of residents injured from roller-skating 1,800 Total number of deaths from roller-skating 90 Total number of deaths from all causes 900 The proportional mortality ratio (%) due to roller-skating was: • Question 9 Estimating the frequency of exposure. Is this a use for incidence or prevalence data? • Question 10 A null hypothesis is most similar to which of the following? • Question 11 Descriptive epidemiology has the following characteristics (Choose the incorrect option): • Question 12 5 out of 5 points Reasons for gender differences in mortality may include: • Question 13 An abrupt drop in mortality due to a specific disease from one year to the next is most likely due to: • Question 14 Cautious use of information from death certificates is warranted because: • Question 15 A large medical center’s oncology program reported an increased number of cases of pancreatic cancer during a certain month. The hospital’s epidemiologist decided to research the problem. Tumor registry records were searched to identify all cases of pancreatic cancer during a five-year period; cancer patients were matched with patients treated for other diseases during the same five-year period. All subjects in the study were questioned about lifestyle factors including alcohol, tea, and coffee consumption. The resulting data are as follows: DATA Cancer Patients Other Patients Men Women Men Women LIFESTYLE VARIABLE Alcohol 185 120 270 260 Tea Drinking 140 110 230 225 Coffee Drinking 190 140 270 240 Note: Total number of male cancer patients = 200. Total number of female cancer patients = 150. Total number of male patients (other diseases) = 300. Total number of female patients (other diseases) = 300. Does this study have a disease status variable? • Question 16 Ecologic studies: • Question 17 A large medical center’s oncology program reported an increased number of cases of pancreatic cancer during a certain month. The hospital’s epidemiologist decided to research the problem. Tumor registry records were searched to identify all cases of pancreatic cancer during a five-year period; cancer patients were matched with patients treated for other diseases during the same five-year period. All subjects in the study were questioned about lifestyle factors including alcohol, tea, and coffee consumption. The resulting data are as follows: DATA Cancer Patients Other Patients Men Women Men Women LIFESTYLE VARIABLE Alcohol 185 120 270 260 Tea Drinking 140 110 230 225 Coffee Dr

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