Answer to Question 1
ANS: C
Attributable risk is determined by subtracting the rate of disease among nonexposed individuals (such as athletes) from the rate of disease among those exposed (the individuals with a sedentary lifestyle).
Answer to Question 2
ANS: C
Formal data collection does not exist for all health data. Therefore, many nurses must perform additional data collection, compilation, and analysis. It is not necessary for the nurse to try to collect data on a health issue if there is available existing data, the ability to purchase data, and the nurse is able to use previously collected data that is available for public information.