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CHDA Exam All Questions And 100% Correct Answers Latest Update
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CHDA Exam All Questions And 100% CorrectAnswers Latest Update
When an ERD is implemented as a relational database, an attribute will become a(n):
Field
Attributes are the characteristics or data elements to be collected about each entity.
They can be represented in an ERD as oval shapes coming off an entity. Attributes
become the fields or column headings within the data tables of a relational database
Sayles and Trawick 2010, 96.
A researcher wants to assess the null hypothesis that the mean wait time at four urgent
care site(s) are equal. Which of the following statistical test should a researcher use in
this circumstance? -Answer ANOVA
The statistical tool applied in order to compare more than two populations is known as
an analysis of variance-ANOVA. The null hypothesis for an ANOVA is that the population
means that will be compared are all equal.
Packaging: A methodology of combining of specific items, like anesthesia, supplies, and
drugs for reimbursement purposes. Answer Packaging
Packaging simply means payment for that service is packaged into payment for other
services and, therefore, there is no separate APC payment. Examples of packaged
services may include minor ancillary services, inexpensive drugs, medical supplies, and
implantable devices (LaTour et al. 2013, 437).
All of the following is a kind of technology that focuses on data security except _____. -
Answer Smart Cards
Security includes "physical and electronic protection of the integrity, availability, and
confidentiality of computer-based information and the resources used to enter, store,
,process, and communicate it; and the means to control access and protect information
from accidental or intentional disclosure".
Management of all aspects of health data and information by application of computers
and computer technologies is called _____. - Answer Healthcare informatics
The health informatics and information management are concerned with the timely and
accurate capture and processing of this transactional information (LaTour et al. 2013,
158).
The _____ mandated the use of transaction and code set standards for electronic health
records - Answer Health Insurance Portability and Accountability Act of 1996
One of the reasons that HIPAA enacted their Administrative Simplification rules was to
make the exchange of information uniform in nature (LaTour et al. 2013, 206).
Name the national government committee leading the effort to develop uniform basic
data sets for health record and computer databases -Answer National Committee on
Vital and Health Statistics
NHIN was first referred to by the Institute of Medicine in its seminal report, "The
Computer-Based Patient Record: An Essential Technology for Health Care." A decade
later, the National Health Information Infrastructure was further defined by the National
Committee on Vital and Health Statistics in its report "Information for Health: A Strategy
for Building the National Health Information Infrastructure"
Information science applied to healthcare data and information management through
the use of computer technology is called:- Answer Health Informatics
Health informatics and information management address the timely and accurate
capture and processing of this transactional information. (LaTour et al. 2013, 158).
Which of the following statements below best defines structured query language
,(SQL)?- Answer It defines data elements and manipulates and controls data.
It combines aspects of both data dictionary language and data manipulation language,
and it is used in the development and manipulation of relational databases Sayles and
Trawick 2010, 177-178, Shaw and Carter 2014, 130, 228.
Contingency table Question The association between patient gender and hospital
readmission is most effectively presented with a:
Contingency tables are a useful method for displaying the relationship between two
categorical variables. Contingency tables are often referred to by the number of rows
and columns (White 2013, 58-59).
When determining the suitability of a data element for secondary use, the analyst should
consider which attribute first: - Answer Reliability and validity
Secondary use: The use of data for a purpose other than that for which it was collected.
Example: The use of billing data to measure quality of care is a secondary use. The
primary use of that data is to trigger a payment for services
Which of the following basic services provided by an HIE entity ensures that information
can be retrieved when needed? -Answer Secure data transport
A core service that any HIE organization would have to offer would be the transport of
the actual data itself. This is the networking service offering appropriate bandwidth,
latency, availability, ubiquity and security
On April 1st, Community Memorial Hospital had nine patient discharges. The lengths of
stay for those nine patients are shown in the table below. The average length of stay for
the nine patients was:
Patient No. Days
, A1
B5
C3
D3
E8
F8
G8
H9
I 9- Answer 6 days
The ALOS is obtained from the total LOS. The total LOS divided by the number of
patients discharged is the ALOS. For the example above the ALOS for the 9 discharged
on April 1 is 6 days () (LaTour et al. 2013, 490; Shaw and Carter 2014, 23, 171).
Data mapping is used to make data sets or code sets compatible. The code or data set
from which the map originates is the: - Source Answer
In mapping terminology, the term coding system is used in a very broad sense to include
classification, terminology and other data representation systems. Mapping will be
necessary as health information systems and their use are developed further in order to
link disparate systems and data sets. Any data map will include a source and a target.
The source is the code or data set from which the map originates.
Population-based registries assist public health agencies in finding the ______of a
disease. - Answer Incidence
Facility-based registries facility-based data are used to provide information for the
improved understanding of cancer including its causes and methods of diagnosis and
treatment. The collected data may provide comparisons in survival rates and quality of
life for patients with different treatments and at different stages of cancer at the time of
diagnosis. Population-based registries focus on the trends and changes in incidence,
that is, new cases of cancer, occurring in the geographic area for which the registry
covers LaTour et al. 2013, 370.
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