Question

Signature Cou Questions 1-16 Questions 17-32 Questions 33-35 I point each. 2 points each. 4 points each. For questions 1-29, select one answer and circle. Please do not write your answer in the margin. 1. Age-adjusted mortality rates are used to determine the number of deaths that occurred in specific age groups in a population b. correct mortality rates for missing age information c. eliminate the effects of differences in the age distributions of populations when comparing mortality rates d. compare deaths in persons of the same age group 2. Case fatality (rate) for a given disease refers to a. cause-specific mortality rate due to that disease b. the proportion of deaths due to that disease among all deaths from all causes c. the percentage of deaths among cases of that disease d. both b and c 3. At the initial examination in the Framingham study. coronary heart disease was found in 5 per 1,000 men aged 30 to 44 and in 5 per 1,000 women aged 30 to 44. The conclusion that in this age group, men and women have an equal risk of developing coronary heart disease a. is correct b. may be incorrect because of failure to distinguish between incidence and prevalence c. may be incorrect because other age groups were not included d. may be incorrect because there is no control or comparison group 4. When interpreting a potential association between exposure and disease one should consider a. bias b. random error c. confounding d. all of the above 5. A mortality index, which is a measure of premature death and impact on life expectancy from causes such as injury affecting individuals at a young age, is the a. age-adjusted mortality rate b. proportionate mortality c. years of potential life lost d. case fatality rate (ratio) 6. Common source epidemics a. are the same as propagated epidemics b. are short-term fluctuations of a common disease over a period of days c. arise from a common noxious source or influence d. are periodic fluctuations of common diseases observed over the course of a year

Answer 1

To eliminate the effect of difference in age distribution of population comparing mortality rates

2. Proportion of death due to that disease among all deaths from all causes

3. May be incorrect because other age groups were not included

4. all of above should be considered

5.,years of potential life lost

6. Arise from a common noxious source or influence