1
WGU D427 OBJECTIVE ASSESSMENT 2026/2027 |
HEALTHCARE DATA MANAGEMENT AND ANALYTICS |
EXPERT VERIFIED | 125 VERIFIED Q&A | DETAILED
RATIONALES | PASS GUARANTEED – A+ GRADED
Question 1
A nurse informaticist is reviewing the concept of data management. Which of the following best
describes it?
A. The collection, storage, and use of data
B. The elimination of data
C. The restriction of access
D. The decrease of quality
Correct Answer: A
Rationale: Data management involves collecting, storing, and using data.
Question 2
A nurse informaticist is reviewing the concept of a database. Which of the following best describes
it?
A. A collection of organized data
B. A single spreadsheet
C. A paper record
D. A verbal report
Correct Answer: A
Rationale: Databases are organized data collections.
Question 3
A nurse informaticist is reviewing the concept of a relational database. Which of the following is a
feature?
A. Tables
B. Relationships
C. Keys
D. All of the above
Correct Answer: D
Rationale: Relational databases use tables, relationships, and keys.
,2
Question 4
A nurse informaticist is reviewing the concept of a primary key. Which of the following best
describes it?
A. A unique identifier for each record
B. A duplicate value
C. A foreign key
D. A non-unique field
Correct Answer: A
Rationale: Primary keys uniquely identify records.
Question 5
A nurse informaticist is reviewing the concept of a foreign key. Which of the following best describes
it?
A. A field linking to a primary key in another table
B. A unique identifier
C. A duplicate value
D. A non-key field
Correct Answer: A
Rationale: Foreign keys link to primary keys.
Question 6
A nurse informaticist is reviewing SQL. Which of the following is the purpose?
A. To query databases
B. To eliminate data
C. To decrease access
D. To limit queries
Correct Answer: A
Rationale: SQL queries databases.
Question 7
A nurse informaticist is reviewing data warehousing. Which of the following best describes it?
A. Storing integrated data for analysis
B. Storing raw data only
C. Eliminating data
D. Limiting access
Correct Answer: A
,3
Rationale: Data warehousing stores integrated data.
Question 8
A nurse informaticist is reviewing data mining. Which of the following is the purpose?
A. To identify patterns in data
B. To eliminate data
C. To decrease understanding
D. To limit access
Correct Answer: A
Rationale: Data mining identifies patterns.
Question 9
A nurse informaticist is reviewing business intelligence. Which of the following is the purpose?
A. To support decision-making with data
B. To eliminate data
C. To decrease understanding
D. To limit access
Correct Answer: A
Rationale: BI supports decision-making.
Question 10
A nurse informaticist is reviewing the concept of data quality. Which of the following is a dimension?
A. Accuracy
B. Completeness
C. Timeliness
D. All of the above
Correct Answer: D
Rationale: All are data quality dimensions.
Question 11
A nurse informaticist is reviewing data governance. Which of the following is a goal?
A. Decrease quality
B. Ensure integrity and security
C. Limit access
D. Eliminate data
, 4
Correct Answer: B
Rationale: Governance ensures integrity.
Question 12
A nurse informaticist is reviewing the concept of a data steward. Which of the following is the role?
A. To manage data quality
B. To eliminate data
C. To decrease security
D. To limit access
Correct Answer: A
Rationale: Stewards manage quality.
Question 13
A nurse informaticist is reviewing the concept of a data owner. Which of the following is the role?
A. To be accountable for data
B. To eliminate data
C. To decrease security
D. To limit access
Correct Answer: A
Rationale: Owners are accountable.
Question 14
A nurse informaticist is reviewing the concept of a data custodian. Which of the following is the role?
A. To manage storage and security
B. To eliminate data
C. To decrease security
D. To limit access
Correct Answer: A
Rationale: Custodians manage storage.
Question 15
A nurse informaticist is reviewing the concept of a data dictionary. Which of the following is the
purpose?
A. To define data elements
B. To hide data
WGU D427 OBJECTIVE ASSESSMENT 2026/2027 |
HEALTHCARE DATA MANAGEMENT AND ANALYTICS |
EXPERT VERIFIED | 125 VERIFIED Q&A | DETAILED
RATIONALES | PASS GUARANTEED – A+ GRADED
Question 1
A nurse informaticist is reviewing the concept of data management. Which of the following best
describes it?
A. The collection, storage, and use of data
B. The elimination of data
C. The restriction of access
D. The decrease of quality
Correct Answer: A
Rationale: Data management involves collecting, storing, and using data.
Question 2
A nurse informaticist is reviewing the concept of a database. Which of the following best describes
it?
A. A collection of organized data
B. A single spreadsheet
C. A paper record
D. A verbal report
Correct Answer: A
Rationale: Databases are organized data collections.
Question 3
A nurse informaticist is reviewing the concept of a relational database. Which of the following is a
feature?
A. Tables
B. Relationships
C. Keys
D. All of the above
Correct Answer: D
Rationale: Relational databases use tables, relationships, and keys.
,2
Question 4
A nurse informaticist is reviewing the concept of a primary key. Which of the following best
describes it?
A. A unique identifier for each record
B. A duplicate value
C. A foreign key
D. A non-unique field
Correct Answer: A
Rationale: Primary keys uniquely identify records.
Question 5
A nurse informaticist is reviewing the concept of a foreign key. Which of the following best describes
it?
A. A field linking to a primary key in another table
B. A unique identifier
C. A duplicate value
D. A non-key field
Correct Answer: A
Rationale: Foreign keys link to primary keys.
Question 6
A nurse informaticist is reviewing SQL. Which of the following is the purpose?
A. To query databases
B. To eliminate data
C. To decrease access
D. To limit queries
Correct Answer: A
Rationale: SQL queries databases.
Question 7
A nurse informaticist is reviewing data warehousing. Which of the following best describes it?
A. Storing integrated data for analysis
B. Storing raw data only
C. Eliminating data
D. Limiting access
Correct Answer: A
,3
Rationale: Data warehousing stores integrated data.
Question 8
A nurse informaticist is reviewing data mining. Which of the following is the purpose?
A. To identify patterns in data
B. To eliminate data
C. To decrease understanding
D. To limit access
Correct Answer: A
Rationale: Data mining identifies patterns.
Question 9
A nurse informaticist is reviewing business intelligence. Which of the following is the purpose?
A. To support decision-making with data
B. To eliminate data
C. To decrease understanding
D. To limit access
Correct Answer: A
Rationale: BI supports decision-making.
Question 10
A nurse informaticist is reviewing the concept of data quality. Which of the following is a dimension?
A. Accuracy
B. Completeness
C. Timeliness
D. All of the above
Correct Answer: D
Rationale: All are data quality dimensions.
Question 11
A nurse informaticist is reviewing data governance. Which of the following is a goal?
A. Decrease quality
B. Ensure integrity and security
C. Limit access
D. Eliminate data
, 4
Correct Answer: B
Rationale: Governance ensures integrity.
Question 12
A nurse informaticist is reviewing the concept of a data steward. Which of the following is the role?
A. To manage data quality
B. To eliminate data
C. To decrease security
D. To limit access
Correct Answer: A
Rationale: Stewards manage quality.
Question 13
A nurse informaticist is reviewing the concept of a data owner. Which of the following is the role?
A. To be accountable for data
B. To eliminate data
C. To decrease security
D. To limit access
Correct Answer: A
Rationale: Owners are accountable.
Question 14
A nurse informaticist is reviewing the concept of a data custodian. Which of the following is the role?
A. To manage storage and security
B. To eliminate data
C. To decrease security
D. To limit access
Correct Answer: A
Rationale: Custodians manage storage.
Question 15
A nurse informaticist is reviewing the concept of a data dictionary. Which of the following is the
purpose?
A. To define data elements
B. To hide data
