HIM550
Data Management & Data Quality
Comprehensive Finals Review (Qns & Ans)
2025
1. Which of the following is a measure of data quality that
ensures data is correct and free from error?
- A) Data Consistency
- B) Data Integrity
- C) Data Accuracy
- D) Data Timeliness
- ANS: C) Data Accuracy
©/2025
, - Rationale: Data accuracy ensures that the data is correct and
error-free, which is critical in healthcare for patient safety and
treatment efficacy.
2. In data management, what is meant by "ETL" and what does
it stand for?
- A) Execute, Transform, Load
- B) Extract, Transform, Load
- C) Extract, Transfer, Link
- D) Evaluate, Transmit, Locate
- ANS: B) Extract, Transform, Load
- Rationale: ETL stands for Extract, Transform, Load, which
is a key process in data management for extracting data from
different sources, transforming it into a suitable format, and
loading it into a database or data warehouse.
3. Which type of data repository is optimized for analytical
queries and reporting, often used in healthcare systems?
- A) OLTP
- B) Data Warehouse
- C) Data Lake
- D) Data Mart
- ANS: B) Data Warehouse
©/2025
, - Rationale: A data warehouse is specifically designed for
analytical queries and reporting, providing a stable and
comprehensive platform for decision support in healthcare
systems.
4. Which of the following strategies is NOT typically used to
improve data quality in healthcare?
- A) Data Cleansing
- B) Data Governance
- C) Data Duplication
- D) Data Validation
- ANS: C) Data Duplication
- Rationale: Data duplication is typically a problem rather
than a solution. Improving data quality usually involves reducing
duplication, rather than increasing it.
5. What is the primary function of a Master Data Management
(MDM) system in healthcare?
- A) To handle unstructured data
- B) To maintain a single source of truth
- C) To manage transactional data
- D) To store archived data
- ANS: B) To maintain a single source of truth
©/2025
Data Management & Data Quality
Comprehensive Finals Review (Qns & Ans)
2025
1. Which of the following is a measure of data quality that
ensures data is correct and free from error?
- A) Data Consistency
- B) Data Integrity
- C) Data Accuracy
- D) Data Timeliness
- ANS: C) Data Accuracy
©/2025
, - Rationale: Data accuracy ensures that the data is correct and
error-free, which is critical in healthcare for patient safety and
treatment efficacy.
2. In data management, what is meant by "ETL" and what does
it stand for?
- A) Execute, Transform, Load
- B) Extract, Transform, Load
- C) Extract, Transfer, Link
- D) Evaluate, Transmit, Locate
- ANS: B) Extract, Transform, Load
- Rationale: ETL stands for Extract, Transform, Load, which
is a key process in data management for extracting data from
different sources, transforming it into a suitable format, and
loading it into a database or data warehouse.
3. Which type of data repository is optimized for analytical
queries and reporting, often used in healthcare systems?
- A) OLTP
- B) Data Warehouse
- C) Data Lake
- D) Data Mart
- ANS: B) Data Warehouse
©/2025
, - Rationale: A data warehouse is specifically designed for
analytical queries and reporting, providing a stable and
comprehensive platform for decision support in healthcare
systems.
4. Which of the following strategies is NOT typically used to
improve data quality in healthcare?
- A) Data Cleansing
- B) Data Governance
- C) Data Duplication
- D) Data Validation
- ANS: C) Data Duplication
- Rationale: Data duplication is typically a problem rather
than a solution. Improving data quality usually involves reducing
duplication, rather than increasing it.
5. What is the primary function of a Master Data Management
(MDM) system in healthcare?
- A) To handle unstructured data
- B) To maintain a single source of truth
- C) To manage transactional data
- D) To store archived data
- ANS: B) To maintain a single source of truth
©/2025