Deck 8: Databases- Creating Information From Data

Question 1

A group of nurses are creating a database. Which step would the nurses need to do first?

A) Determine the data to be collected.
B) Identify the question needing an answer.
C) Develop a purpose for the database.
D) Identify the pieces of data to enter.

Answer 1

Identify the question needing an answer.

Question 2

When working with a database, a nurse selects data from a set of items that was created to avoid having to type in the entry. The nurse is using a:

A) Field.
B) Relational database.
C) Look-up table.
D) Query.

Answer 2

Look-up table.

Question 3

A nurse wants to find information about databases specifically used in nursing. Which query would the nurse use to obtain the narrowest search?

A) Databases or nursing
B) Nursing not databases
C) Nursing and/or databases
D) Nursing and databases

Answer 3

Nursing and databases

Question 4

A nurse has created a database in which data are contained in one table. The nurse has created which model of database?

A) Flat
B) Network
C) Hierarchical
D) Relational

Question 5

When designing a relational database, which field setup best reflects the user's use of atomic-level data?

A) Age and sex are listed in one field.
B) First and last names are in separate fields.
C) Systolic and diastolic blood pressures are key fields.
D) First and last names are in one field with first name also in a separate field.

Question 6

When preparing to use healthcare information databases for secondary data use, which step would be most important?

A) Restricting the database search to one aspect of care
B) Removing any client-identifying information
C) Ensuring databases reflect empirical evidence
D) Being knowledgeable about the questions to be answered

Question 7

Which statement best reflects data mining?

A) "Data mining is best to use on relational databases."
B) "Data mining provides known information to predict the unknown."
C) "A data warehouse is more effective for the use of data mining."
D) "Data mining involves the use of simple statistical techniques."

Question 8

A nurse has attended a class on databases and searching. Which database analysis method would the nurse identify as fastest?

A) Ad hoc querying
B) Data mining
C) Online analytical processing
D) Structured query language

Question 9

In a relational database, data can be viewed as:

A) Field.
B) Table.
C) Report.
D) Form.

Question 10

A nurse is preparing to create a database. Which aspect would the nurse identify as being the foundation for the database?

A) Table
B) Query
C) Form
D) Report

Question 11

When describing the steps associated with the design of a clinical database, which steps would most likely be included? Select all that apply.

A) Identify the purpose of the database.
B) Identify the questions the data will answer.
C) List the requirements for the data.
D) Replicate the client record data.
E) Duplicate the paper form of the table.

Question 12

A nurse is comparing a spreadsheet and database. Which information best reflects a database? Select all that apply.

A) Data connected with records
B) List with column headings
C) Ability to crunch numbers
D) Unrelated objects
E) Analysis of data

Question 13

A nurse is creating a database that involves tables organized in the shape of an inverted tree with the branches of the tree being shared. The nurse is creating which type of database model?

A) Hierarchical model
B) Flat model
C) Network model
D) Relational database model

Question 14

A nurse is working on creating a database. Which action would be most important to ensure that data in the database are searchable?

A) Data must be structured.
B) Data categories need to be generalized.
C) Different terms can be used to refer to the same data.
D) Criteria need not be matched to data in a given field.

Question 15

A nurse is reading an article about databases and their use. Which tool would the nurse expect to find as the most powerful in a database?

A) Querying
B) Sorting
C) Downloadable data
D) Mathematical capabilities

Question 16

A nurse is reviewing a database and identifies which object as containing all of the data?

A) Tables
B) Queries
C) Forms
D) Reports

Question 17

When describing a flat database, which information would be included? Select all that apply.

A) Simple to construct
B) Complex and inflexible
C) Only one view of data provided
D) Two of more tables connected by identical information
E) Records linked to a base or root

Question 18

A nurse is searching a database for information about hypertension and is using Boolean logic querying. Which term could the nurse use as a concept in the query? Select all that apply.

A) And
B) Or
C) Not
D) But
E) So

Question 19

A nurse is reviewing information about obtaining data from large databases. Which name identifies the coding used for querying?

A) Online analytical processing
B) Data mining
C) Structured query language
D) Data warehousing

Question 20

A nurse is working with a database and identifies the attributes of each field. The nurse understands that an attribute refers to:

A) Facts without meaning.
B) The smallest structure in the database.
C) All information about a single table member.
D) A collection of related information.