Answer to Question 1
ANS: B
Not only is community a context or place where a community health nurse gives care, but the community as a whole is the focus of the nurse's efforts. Being employed outside a medical center, providing care within the community, and working for a public health department all describe settings where a community health nurse may be employed, but do not demonstrate the emphasis on providing population-focused care.
Answer to Question 2
ANS: B
The epidemiological triangle model of agent-host-environment is very useful, especially with single-cause infectious diseases. However, with the multiple factors involved in chronic diseases, the wheel model is more useful in analyzing and identifying the multiple variables.