Certified Health Data Analyst (CHDA) Practice Exam

These questions are part of the practice quiz. Start practicing

• Which code set would typically be used to report a hospital's case mix index?
• Under what condition is it permissible to use a non-probability sample for an audit?
• In which phase of systems selection and implementation is a mock query run to test database functionality?
• Which sampling method uses a fixed interval from a randomly chosen start point?
• What are 30-day mortality rates classified as in healthcare performance metrics?
• In a sample of 10 patients with the results D,D,A,A,A,A,A,A,D,A, what is the proportion of patients that died?
• What is a notable feature of electronic health records that enhances patient care?
• Which keyword is used to begin a query that lists variables returned from an SQL statement?
• What type of variable is often analyzed to predict changes in another variable?
• Which type of graph is most effective for displaying the percentage of salary budget spent across different employee categories?
• Activities of daily living (ADL) components are most commonly found in which assessments?
• Which of the following is a noted weakness of Microsoft Access?
• What is the expected outcome of maps from terminologies to classifications?
• Which element enhances the effectiveness of charge capture in healthcare?
• How does an EHR system improve security for protected health information compared to paper records?
• Which database was established to document legal actions against licensed healthcare providers?
• What type of statistical techniques are utilized to make conclusions based on a sample?
• What type of indicators measure the actual results of care for patients and populations, including patient and family satisfaction?
• What format does an audit tracking database use for health care claim payment advice?
• A drug interaction alert would be a typical function of what type of system?
• What are LONIC codes specifically used for?
• Which attribute is essential for a sample to be considered statistically valid?
• When does medical information lose its Protected Health Information (PHI) status under HIPAA?
• The governing body (board) is an example of which of the following?
• What data set is most useful for developing a home health strategic plan?
• Which metric is used to express the frequency of certain healthcare events in relation to a population?
• Which term describes the extent of a linear relationship between two variables?
• What could most likely explain an increase in a facility's case-mix index?
• How does a critical t value of -1.96 impact the results of a hypothesis test?
• What is the key benefit of using stratified random sampling?
• What type of coding is primarily focused on describing medical diagnoses?
• High-quality information is primarily contingent on which of the following?
• Which data display tool is commonly used to illustrate frequency distributions of continuous variables such as age and length of stay?
• What is a key benefit of utilizing a data map in healthcare?
• In relational databases, what does the term "entity" refer to?
• Which of the following basic services provided by an HIE entity ensures that information can be retrieved as needed?
• The ICD coding system was originally developed as what type of system?
• What sampling technique divides the population into subsets and then selects a random sample within each subset?
• Which database is crucial for users preparing to enter a Regional Health Information Organization (RHIO) or Health Information Exchange (HIE)?
• Which type of data would most likely be represented on a pie chart?
• What is the process called by which concepts and terms in one system are associated with concepts and terms in another system?
• What defines secondary data in a healthcare context?
• In a relational database, when an Entity Relationship Diagram (ERD) is implemented, what does an attribute become?
• What is defined as the science of examining raw data to draw conclusions?
• What mechanism is used to retrospectively record and examine data changes in information systems?
• In SNOWMED-CT, what term describes how concepts are linked to one another?
• What correlation is observed between age and length of stay for patients newly diagnosed with type 2 diabetes?
• In quality assurance, why is it important to monitor post-operative infection rates?
• Which of the following best describes an entity-relationship diagram?
• Which scenario indicates that an application service provider (ASP) may be beneficial for a primary care practice?
• What term best describes a comprehensive and systematic review of patient data to ensure accuracy?
• What technology converts human language into data that can be translated and manipulated by computer systems?
• What type of analysis is focused on interpreting and summarizing a given dataset?
• What is the purpose of normalization in a database?
• What is the 95-percent confidence interval for the population post-operative infection rate based on a sample of cases?
• Which data model is most widely used to illustrate a relational database structure?
• What is the primary goal of a strategic plan in healthcare?
• What role does the Chief Information Officer play in healthcare organizations?
• What type of controls do audit trails typically implement?
• In a healthcare entity, what tool do physicians use to access multiple sources of patient information?
• In statistical testing, what does a p-value indicate?
• In which billing format would you find data showing a physician's professional fee charges?
• Average length of stay is an example of what type of statistic?
• To test the null hypothesis that lengths of stay in two hospitals are equal, which statistical test should be employed?
• What role does the Chief Information Officer (CIO) play in healthcare information technology?
• Medical security diagnosis-related groups (MS-DRGs) serve what purpose in the healthcare system?
• Which of the following is an example of unstructured data?
• What purpose does strategic IM planning serve in relation to an organization's overall strategic plan?
• Which sampling technique is the easiest to use if an analyst only has a hard copy list of patients available?
• The first level of HCPCS coding is represented by which classification?
• Which term describes data that can be measured on a continuous scale, such as height or weight?
• Resolving the issue where a patient is incorrectly assigned another patient's medical record number is a part of what key process?
• In the context of hypothesis testing, what does a calculated t value of -3.39 compared to a critical t of -1.96 indicate?
• What type of data is created as a byproduct of digital processes that do not fit traditional databases?
• Who is most likely to lead the strategic planning for a healthcare organization's information system?
• Which data type provides insights into the efficiency of care delivery in health services?
• What SQL operator enables drawing data from multiple tables within a SQL-compliant database?
• If a health analyst determines the relationship between two categorical variables, which statistical method would be appropriate?
• Which of the following is NOT a category in which planning roles for electronic health records implementation are defined?
• Which method is best for systematically comparing different healthcare facilities' performance metrics?
• In healthcare data analytics, what is the primary objective of data mining?
• What is the purpose of using confidence intervals in statistical analysis?
• The variable presumed to influence a second variable is referred to as what?
• Which RVU component is best suited for measuring physician productivity?
• What is a critical consideration when interpreting confidence intervals in research?
• Which coding system is not used to characterize procedures performed on a patient?
• What is the main purpose of a data dictionary in an information system?
• What is the management of all aspects of health data and information through the application of computers called?
• What do core (performance) measures primarily aim to evaluate?
• If a database contains two tables: physicians and patients, what is the cardinality of the relationship if a physician may be linked to many patients, and patients may only be related to one physician?
• Which activity is likely to occur in the analysis phase of the systems development life cycle?
• What is essential for maintaining data privacy and security in health information management?
• What is the best tool to help team members understand the coding process clearly?
• ICD-10-CM is classified as what type of coding system?
• Which of the following entities primarily focuses on standardizing health information exchange?
• What term is used to refer to the process of placing a patient into a DRG?
• What does the acronym RBRVS stand for in a prospective payment system context?
• What test should be used to determine if patients' average weight decreased after a specialty diet?
• What is the optimal relationship between strategic planning and strategic IM planning in a healthcare entity?
• What database design practice is utilized to prevent the duplication of data elements?
• Which data system serves as the source system for LOINC coded services?
• What is a research instrument used to gather data from respondents in a uniform manner called?
• In healthcare, what is a primary advantage of utilizing electronic health records?
• Which code set is utilized in the RBRVS prospective payment system?
• What is the term for a computer software program that assigns appropriate MS-DRGs according to the information provided for each episode of care?
• Which HIPAA methods are used for the legal deidentification of protected health information?
• What is a major purpose of the Master Patient Index (MPI)?
• Which role is primarily responsible for evaluating and improving healthcare quality metrics?
• Which statistical test would be appropriate for comparing the means of two independent samples?
• An audit trail is a valuable tool primarily for which purpose?
• Which process is primarily concerned with transforming unstructured data into a format understandable by computers?
• Which statistical test would you use to assess whether there is a significant difference in means between more than two groups?
• Who is most likely responsible for the technical aspects of the Database Management System (DBMS)?
• What kind of coding quality review should be performed if the CFO suspects coding errors due to a drop in the Medicare case-mix index?
• How is the effectiveness of a healthcare intervention often measured?
• What is the optimal relationship between strategic planning and strategic IM planning in a healthcare entity?
• To track patient satisfaction over time while distinguishing true changes from routine variation, the best tool to use is a(n):
• When does health information lose Protected Health Information (PHI) status under HIPAA?
• To visualize the trend of deaths due to prostate cancer from 2005 to 2012, which graphical tool is most appropriate?
• Among the following software programs, which is best suited for detailed statistical analysis?
• When MPI errors are identified, which department should the MPI manager collaborate with for corrections?
• Which element is commonly found in a charge description master?
• Which program serves as the foundation for the CMS value-based purchasing program?
• The relationship between improved clinical documentation and case-mix index suggests what implication?
• What function ensures that data are accessed or modified only by authorized users?
• What is the process of extracting and filtering discrete data from a relational database called?
• Which of the following is not a valid use of a relative weight assigned to each MS-DRG?
• Which dimension of data quality is described as "data that is free of errors"?
• What type of index includes patient-identifiable information?
• What is one example of what an audit trail monitors in an information system?
• Which process is used to improve data accuracy in health records?
• The emergency data standards that are meant to create a health history for an individual are referred to as what?
• To increase the precision of a confidence interval while keeping the confidence level the same, the sample size must be:
• Which type of data can be analyzed using the median?
• What sampling technique is used when a data analyst selects every fourth patient from each clinic schedule?
• What can be inferred about the slope of a regression line if the correlation between years of experience and salary is positive?
• What is the key benefit of using an Electronic Health Record (EHR) system?
• Which term describes identifiable variables that influence healthcare outcomes?
• How are MS-LTC-DRGs and acute care MS-DRGs similar in terms of grouping and reimbursement?
• The federal law-required inpatient data set for Medicare reporting is known as the ____________.
• Which framework is most commonly used to interface data between clinical systems in healthcare?
• In the context of health data analytics, what does HIE stand for?
• What statistical method would be appropriate to compare the average lengths of stay between two different age groups?
• To ensure data quality, what method is used by the Cancer Committee to review the work of cancer registry personnel?
• Which dataset is used to benchmark secondary diagnoses that increase the incidence of CCs and MCCs?
• Which measure is appropriate for analyzing ratio data?
• Which of the following is an external user of health data?
• What type of information is represented by the statistic that 50% of patients have Medicare as their primary payer?
• Which test is used to compare the means of three or more groups?
• What aspect of healthdata exchange is crucial for improving patient care?
• What is the main issue with using mean length of stay as a facility statistic?
• What does the term "CC" stand for in healthcare data analysis?
• SPSS is classified as what type of tool?
• The physician fee schedule is based on which component(s)?
• If an analyst divides the population into groups and randomly selects groups to create the sample, what sampling technique is being used?
• The percentage of timely antibiotic administration prior to specific surgeries is an example of which kind of performance measure?
• In least squares regression, what characteristic should ideally be true for the residuals?
• Dictated and transcribed reports and notes written by the physicians are examples of what type of data?
• Which statement best describes a decision support system?
• The act of collecting data on patient outcomes for analysis is called what?
• At what level of detail should an analyst extract data from an information warehouse when analyzing changes in a hospital's Medicare case-mix index over time?
• An example of a database that relies on standardized data definitions is what?
• Which graph is most appropriate for exploring the relationship between length of stay and charges for a set of patients?
• Which resource is best for defining the structure of an Electronic Health Record (EHR)?
• In statistical analysis, what does "population" refer to?
• Which of the following is a benefit of using electronic data interchange in healthcare?
• Which of the following is a common challenge when interpreting statistical data?
• Where are patient payments and charges typically recorded?
• Comparing the ICD-9-CM and ICD-10-CM diabetes mellitus codes and documenting variations creates what?
• If an analyst wants to compare readmission rates between two hospitals, which hypothesis test is suitable?
• Standardized sets of evidence-based measures implemented by the Joint Commission are referred to as ____________.
• Which technology is commonly utilized for automated claims processing?
• When comparing mortality rates between hospitals, what additional factor should be considered?