Information and Management Systems), Healthcare
IT Certification, 2025 – Practice Questions with
Detailed Answers
Introduction:
This document contains a comprehensive collection of CAHIMS
exam practice questions along with detailed explanations for each
answer. It covers key topics such as database systems, networking,
healthcare IT standards, security, project management, and clinical
workflows. The material is useful for exam preparation and
reinforces understanding of core healthcare information systems
concepts. It appears to be a broad and well-structured review
resource aligned with certification objectives.
Exam Questions and Detailed Answers:
What is a database management system (DBMS)?
A. A set of software programs to control the organization, storage,
management, and retrieval of data in a database
B. A nonprocedural programming language
C. A data security mechanism
D. A set of Data Definition Language (DDL) statements ---Correct
precise answer---A. A database management system (DBMS) is a set
,of software programs to control the organization, storage,
management, and retrieval of data in a database.
What is the most commonly used tool for modeling a database?
A. Entity relationship diagram
B. IDEF-1X
C. Object role model
D. Spiral developing model ---Correct precise answer---A. The most
commonly used tool for data modeling database is an entity
relationship model (ERM).
Which of the following statements is correct?
A. Authorization is a way of identifying a user before access is
granted.
B. A database administrator puts integrity controls on the database
to ensure that data are kept consistent and correct.
C. Data breaches mean that data, applications, or networks are
unavailable to database users.
D. Data security is not important in the database system design. ---
Correct precise answer---B. Integrity controls keep the data
consistent and correct by means of controls that a database
administrator puts on the database.
,A distributed data warehouse _________________.
A. stores all aggregated data in a single physical storage location
B. is also called online analytical processing (OLAP)
C. usually consists of several department data marts
D. consists of snapshot and longitudinal databases ---Correct
precise answer---C. A distributed data warehouse usually consists
of several department data marts.
What is not the reason for creating a data mart?
A. Lowering cost
B. Providing more business functions
C. Improving end-user response time
D. Creating a collective view for a group of users ---Correct precise
answer---B. Creating a data mart is not for providing more business
functions.
Which of the following is considered a potential negative issue with
cloud computing in healthcare?
A. The high cost of setting up cloud computing
B. Lack of easy accessibility to data resources
, C. Privacy and confidentiality of health data stored on a cloud
D. Need for advanced technical knowledge ---Correct precise
answer---C. The confidentiality and privacy of data must be
considered when using a cloud-based solution for healthcare
applications involving the storage of health data.
How many connections would be needed to fully connect six
people?
A. 6
B. 15
C. 12
D. 18 ---Correct precise answer---B. n × (n - 1)/2 = 6 × (6 - 1)/2 =
15 connections would be needed to fully connect six people.
A PDU has what basic structure?
A. A beginning delimiter and ending delimiter with a payload
between these
two delimiters
B. A beginning delimiter and ending delimiter, source address and
destination address fields, a control field, a payload field, and an
error check field
C. Source address and destination address fields and a payload