CCS Database Management 2

Question 1

Which database field type is most appropriate for storing a patient's date of birth in a healthcare information system?

Accepted Answer

DATE

Answer

DATE fields store calendar dates in a standardized format, enabling accurate age calculations and date-range queries.

Question 2

In a relational database, what term describes a field in one table that references the primary key of another table?

Accepted Answer

Foreign key

Answer

A foreign key establishes a referential link between two tables, enforcing relational integrity across the database.

Question 3

A coder notices that the same patient has two different medical record numbers in the HIM database. Which database principle has been violated?

Accepted Answer

Data integrity

Answer

Data integrity ensures that information stored in the database is accurate, consistent, and free of duplicates.

Question 4

What is the purpose of a query in a healthcare database management system?

Accepted Answer

To retrieve specific information from the database

Answer

A query retrieves, filters, or aggregates data from a database based on specified criteria.

Question 5

Which normalization form eliminates partial dependencies by ensuring all non-key attributes are fully functionally dependent on the entire primary key?

Accepted Answer

Second Normal Form (2NF)

Answer

Second Normal Form (2NF) removes partial dependencies, requiring every non-key column to depend on the whole composite primary key.

(CCS) Certified Coding Specialist Practice Test

(CCS) Certified Coding Specialist Practice Test

CCS Database Management 2