Answer to Question 1
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Rationale: The clinical data repository provides data definition consistency through mapping. Mapping is the process in which terms defined in one system are associated with comparable terms in another system. The clinical data repository may also be referred to as the clinical data warehouse.
Answer to Question 2
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Rationale: Nursing can benefit from integration and data exchange such as trends in client care data and cost analysis that can be used to justify nursing staffing levels in the hospital setting. In addition, integration provides a tool to build nursing knowledge. Nursing should be sure that data will be collected in only one system; nurses must be involved in identifying and defining data elements that an interface may be able to supply; and the use of the data dictionary and interface engine actually facilitates integration and allows for the collection of aggregate data.