The population health nurse is planning to use a "web of causation" to explain the development of a health problem in a group of patients. What should the nurse use as an example of the web of causation?
1. Oil refinery, flare emissions, and asthma.
2. Mosquitoes, West Nile virus, and decreased mosquito spraying.
3. Adolescent pregnancy rate, lower socioeconomic status and education, and close friends with infants.
4. Access to alcohol, decreased enforcement of minors, and attractive media portrayal of alcohol that contributes to adolescent alcohol usage.
Answer: 4
Explanation: 4. Web of causation explores the influence of multiple factors on a specific health condition. The factors of access to alcohol, decreased enforcement of age checking, and the attractive portrayal of alcohol in the media contributes to adolescent alcohol usage. The other examples are of the epidemiologic triad.
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