A community health nurse is searching for information about heart disease in Chicago, Illinois. What is the best search string to enter to locate this information?
A) Heart disease
B) Heart disease, Illinois
C) Heart disease, Dade County
D) Heart disease AND Chicago, Illinois
Ans: D
The search string "heart disease AND Chicago, Illinois" would return all information indexed on that search engine pertaining to heart disease as indexed in Chicago, Illinois. The Boolean word AND instructs the search engine to return only resources that have both terms in the documents, resulting in more effective searching. Searching heart disease alone would return volumes of information on heart disease everywhere. Although less information would be returned, simply adding the state or county would still provide a high number of websites.
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