CHDA PREP |ACTUAL QUESTIONS AND VERIFIED
ANSWERS|BRAND NEW 2026-2027
UPDATE|GRADED A+
Question 1
The most common ____ software applications include Microsoft Access, Oracle, and
Microsoft structured query language (SQL) Serve
CORRECT ANSWER
relational database
Question 2
Relational databases that store historical, demographic and transaction data about clinical,
administrative, and financial patient information are referred to as _____.
a. Enterprise master patient indexes
b. Data warehouses
c. Electronic data interchanges
d. Neural networks
CORRECT ANSWER
b. Data warehouses
Question 3
____ is a statistical test that is used to test for relationships between categorical variables
CORRECT ANSWER
Chi-squared
1
,Question 4
Which of the following is the term that describes a method of combining data that may be
categorized by clinical classification systems as well as those classified by clinical
nomenclatures?
a. Ontology
b. Schema
c. Data model
d. Health information exchange
CORRECT ANSWER
a. Ontology
Question 5
Your organization has contracted with CMS to participate in an initiative. As part of this,
CMS will send you large extracts of data monthly. Which of the following is the best type
of tool to store these extracts in?
a. Flat file database
b. A multi-tab spreadsheet
c. A relational database
d. Statistical analysis software
CORRECT ANSWER
c. A relational database
Question 6
The process of integrating the health IT systems within a healthcare facility requires the
creation of _____.
a. Data warehouses
b. E-health initiatives
2
,c. Enterprise master patient index
d. Electronic data interchange
CORRECT ANSWER
Enterprise master patient index
Question 7
A key technology in the development of a universal language to aid storage and
transmission of web-based data is _____.
a. XML
b. HTML
c. E1384
d. SQL
CORRECT ANSWER
XML
Question 8
Protocols that support communication between applications are often referred to as:
a. Mapping
b. ETL code
c. Messaging standards
d. Source code
CORRECT ANSWER
Messaging standards
Question 9
3
, Which of the following is a database from the National Health Care Survey that uses the
health record as a data source?
a. National Health Provider Inventory
b. National Ambulatory Medical Care Survey
c. National Employer Health Insurance Survey
d. National Infectious Disease Inventory
CORRECT ANSWER
National Ambulatory Medical Care Survey
Question 10
The integration of the two surveys allows for examination of care provided across
treatment settings. Information on the utilization of healthcare provided in inpatient
settings, emergency departments, outpatient departments, and ambulatory surgery
centers are collected in one place.
CORRECT ANSWER
The National Health Care Survey
Question 11
The ____ combines the National Hospital Discharge Survey (NHDS) and the National
Hospital Ambulatory Medical Care Survey (NHAMCS).
CORRECT ANSWER
National Health Care Survey
Question 12
4
ANSWERS|BRAND NEW 2026-2027
UPDATE|GRADED A+
Question 1
The most common ____ software applications include Microsoft Access, Oracle, and
Microsoft structured query language (SQL) Serve
CORRECT ANSWER
relational database
Question 2
Relational databases that store historical, demographic and transaction data about clinical,
administrative, and financial patient information are referred to as _____.
a. Enterprise master patient indexes
b. Data warehouses
c. Electronic data interchanges
d. Neural networks
CORRECT ANSWER
b. Data warehouses
Question 3
____ is a statistical test that is used to test for relationships between categorical variables
CORRECT ANSWER
Chi-squared
1
,Question 4
Which of the following is the term that describes a method of combining data that may be
categorized by clinical classification systems as well as those classified by clinical
nomenclatures?
a. Ontology
b. Schema
c. Data model
d. Health information exchange
CORRECT ANSWER
a. Ontology
Question 5
Your organization has contracted with CMS to participate in an initiative. As part of this,
CMS will send you large extracts of data monthly. Which of the following is the best type
of tool to store these extracts in?
a. Flat file database
b. A multi-tab spreadsheet
c. A relational database
d. Statistical analysis software
CORRECT ANSWER
c. A relational database
Question 6
The process of integrating the health IT systems within a healthcare facility requires the
creation of _____.
a. Data warehouses
b. E-health initiatives
2
,c. Enterprise master patient index
d. Electronic data interchange
CORRECT ANSWER
Enterprise master patient index
Question 7
A key technology in the development of a universal language to aid storage and
transmission of web-based data is _____.
a. XML
b. HTML
c. E1384
d. SQL
CORRECT ANSWER
XML
Question 8
Protocols that support communication between applications are often referred to as:
a. Mapping
b. ETL code
c. Messaging standards
d. Source code
CORRECT ANSWER
Messaging standards
Question 9
3
, Which of the following is a database from the National Health Care Survey that uses the
health record as a data source?
a. National Health Provider Inventory
b. National Ambulatory Medical Care Survey
c. National Employer Health Insurance Survey
d. National Infectious Disease Inventory
CORRECT ANSWER
National Ambulatory Medical Care Survey
Question 10
The integration of the two surveys allows for examination of care provided across
treatment settings. Information on the utilization of healthcare provided in inpatient
settings, emergency departments, outpatient departments, and ambulatory surgery
centers are collected in one place.
CORRECT ANSWER
The National Health Care Survey
Question 11
The ____ combines the National Hospital Discharge Survey (NHDS) and the National
Hospital Ambulatory Medical Care Survey (NHAMCS).
CORRECT ANSWER
National Health Care Survey
Question 12
4
