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CHDA exam Questions With Complete Solutions ___ describe how the concepts within SNOMED CT are linked to one another. An example of a relationship is that the concept diabetes mellitus is an endocrine disorder, another concept with a broader meaning Correct Answers Relationships ___ random sampling is a useful tool if the sampling frame is not available electronically. For instance, if a random sample of patients is to be selected from a scanned roster of patients that signed in during one day at a clinic, then the listing of patients serves as the sampling frame and must be keyed into a spreadsheet for sorting. Correct Answers Systematic ____ allows the transfer (incoming and outgoing) of information directly from one computer to another by using flexible, standard formats. Correct Answers Electronic data interchange (EDI) ____ architecture is the predominant form of computer architecture used in healthcare associations today. Correct Answers Client/server ____ codes are used on physicians and suppliers to describe where a CPT or HCPCS service has been performed Correct Answers Place of service ____ is "a weighted average of the sum of the relative weights of all patients treated during a specified time period Correct Answers Case-mix index
____ is a graph that is used to determine whether there is a correlation, or relationship, between two ratio or interval variables Correct Answers scatter diagram ____ is a type of run chart that includes both upper and lower control limits and indicates whether a process is stable or unstable (Oachs and Watters 2016, 1034). Correct Answers Statistical process control (SPC) chart: ____ reports on 139 measures of hospital quality of care for heart attack, heart failure, pneumonia, and the prevention of surgical infections. T Correct Answers Hospital Compare ____ specifies the concepts, relationships, and other distinctions that are relevant for modeling knowledge. Correct Answers Ontology _____ develops standards for exchange of clinical images Correct Answers Digital Imaging and Communications in Medicine (DICOM) _____ is intended to provide a set of concepts and relationships that offers a common reference point for comparison and aggregation of data about the healthcare process Correct Answers SNOMED Clinical Terms (SNOMED CT), _____ technology considers sentence structure (syntax), meaning (semantics), and context to accurately process and extract free-text data, including speech data for application purposes. Correct Answers Natural language processing
d. Information fields Correct Answers Metadata
. The nominal group technique gives each member of the team an opportunity to select the most important ideas from an affinity diagram. This technique allows groups to do which of the following? a. Expand the focus of discussion b. Make decisions using members that are vocal c. Narrow the focus of discussion without extended involvement d. Take turns and get the non-vocal members involved Correct Answers Narrow the focus of discussion without extended involvement . When an Entity Relationship Diagram (ERD) is implemented as a relational database, an attribute will become a(n) _____. a. Table b. Field c. Object d. Query Correct Answers Field . You are asked to write a report to capture patient injuries by diagnosis code. To determine which injuries happened while the patient was in the hospital, you look to the present on admission indicator. Which indicator would show you the injuries occurring while the patient was in the hospital? a. N b. U c. W d. Y Correct Answers N
- An audit trail is a good tool for which one of the following? a. Holding an individual patient accountable for actions b. Reconstructing electronic events c. Defending the corporation against an IRS audit d. Stopping attacks from the intranet to the Internet Correct Answers b. Reconstructing electronic events
- In which form of database would data mining to support complex data analysis most effectively take place? a. Clinical data repository b. Clinical data warehouse c. Database management system d. Electronic health record Correct Answers Clinical data warehouse
- In SNOMED-CT, this term is used to describe how concepts are linked to one another: a. Concept-orientation b. Mapping c. Relationship d. Lexicon Correct Answers Relationship
- PACS may be found in a _____. a. LIS b. RIS c. Patient accounts database d. Registry Correct Answers b. RIS
- In long-term care settings, the resident's care plan is based on data collected in the _____.
A ____ is a test of a null hypothesis to determine if the means of two groups are statistically different from each other. An analyst may want to compare the lengths of stay in two units of a hospital or two hospitals in the same system Correct Answers two-sample t-test A ____may be used to compare a variable measured at two time points on the same subject Correct Answers paired t-test A clinical documentation improvement (CDI) program facilitates accurate coding and helps coders avoid: a. NCCI edits b. Upcoding c. Coding without a completed face sheet d. Using non-specific codes Correct Answers Using non- specific codes A computer software program that assigns appropriate MS- DRGs according to the information provided for each episode of care is referred to as a(n) _____. a. Case mix analyzer b. Encoder c. Severity of illness program d. Grouper Correct Answers Grouper A data set designed to support the uniform collection of information in hospital-based emergency departments Correct Answers Data Elements for Emergency Department Systems (DEEDS)
A database that makes it possible to access data from multiple databases and combine the results into a single query and reporting interface Correct Answers data warehouse A group process technique that involves the steps of silent listing, recording each participant's list, discussing, and rank ordering the priority or importance of items; allows groups to narrow the focus of discussion or to make decisions without becoming involved in extended, circular discussions Correct Answers Nominal group technique (NGT) A hospital that is installing bedside monitoring devices that must feed data into the electronic health record (EHR) should be sure to conform to which of the following standards? a. LOINC b. IEEE c. DICOM d. NCPDP Correct Answers DICOM 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. E d. SQL Correct Answers XML A researcher would like to test the null hypothesis that the lengths of stay at two hospitals are equal. What statistical test should the researcher use in this situation? a. Tukey's HSD
b. Relate these tables with a foreign key Correct Answers second normal form a. Eliminate repeating groups in individual tables b. Create a separate table for each set of related data c. Identify each set of related data with a primary key Correct Answers first normal form An ____ occurs when one patient record is overwritten with data from another patient's record. Correct Answers overlay An analyst may be asked to compare the rates in two populations such as the mortality rates at two hospitals or the surgical site infection rate in two different units of a hospital. Hypotheses regarding two proportions may be tested using the ____ for proportions Correct Answers two-sample Z-test An analyst may be asked to compare the rates in two populations such as the mortality rates at two hospitals or the surgical site infection rate in two different units of a hospital. Hypotheses regarding two proportions may be tested using the ____for proportions Correct Answers two-sample Z-test An audit tracking database would contain information from the health care claim payment advice that is in what format? a. 835 b. 837 c. 270 d. 271 Correct Answers 835
An extreme value for a ___ is indicative of a statistically significant result. Correct Answers test statistic An important part of the maintenance of the master patient index is to resolve situations where a patient is assigned another patient's medical record number. This is an example of which of the following? a. Duplicate medical record number b. Overlap c. Overlay d. Reduplication Correct Answers c. Overlay An index that provides access to multiple repositories of information from overlapping patient populations that are maintained in separate systems and databases Correct Answers Enterprise master patient index (EMPI) An RVU is actually a combination of three subunits that describe the physician work (), the practice expense (), and the malpractice expense (___) associated with each individual code. Together, these three subunits make up the Total RVU, or tRVU Correct Answers wRVU peRVU MRVU Appropriate descriptive statistics for ___data are mean, median, standard deviation, range, geometric mean, and coefficient of variation Correct Answers ratio ASTM Standard E2522-07 provides guidance to healthcare organizations in developing _____.
package size and type eliminate fields that do not depend on the key Correct Answers third normal form Facility-based cancer registries receive approval as part of the facility cancer program from which of the following agencies? a. American Cancer Society b. National Cancer Registrars Association c. National Cancer Institute d. American College of Surgeons Correct Answers d. American College of Surgeons Fifty percent of patients treated at our facilities have Medicare as their primary payer. This is an example of what type of information? a. Patient-specific b. Expert knowledge c. Comparative d. Aggregate Correct Answers d. Aggregate For the most clinical and financial purposes, the best benchmark to compare a given patient's inpatient length of stay is which of the following? a. The CMS arithmetic mean length of stay b. The AHA median length of stay c. The AHA winsorized mean length of stay d. The CMS geometric mean length of stay Correct Answers d. The CMS geometric mean length of stay
Health information loses PHI status and is no longer protected by the HIPAA Privacy Rule when it _____. a. Becomes an oral communication b. Is deidentified c. Is used for TPO d. Is individually identifiable Correct Answers b. Is deidentified High-quality information is contingent on _____. a. Computerized decision support b. Systems integration c. Knowledge management d. Reliable data Correct Answers d. Reliable data ICD-10-CM is an example of a _____. a. Data dictionary b. Clinical classification c. Nomenclature d. Clinical vocabulary Correct Answers Clinical classification If a health plan analyst wanted to determine if the readmissions rates for two hospitals were statistically different, which hypothesis test should be used? a. Chi square b. Two-sample Z-test for proportions c. t-test d. One-sample Z-test for proportion Correct Answers b. Two- sample Z-test for proportions
d. $62 Correct Answers a. $ BECF = Total Practice Expenses/Total RVUs In _____ random sampling, the population is divided into similar groups or strata based on a set of criteria. Each unit in the population must be assigned to one and only one stratum. Therefore, the strata do not overlap. Correct Answers stratified In analyzing the reason for changes in a hospital's Medicare case-mix index over time, the analyst extract data from the information warehouse at which level of detail? a. Discharge level b. MS-DRG level c. MDC level d. MS-DRG triples, pairs, and singles Correct Answers Discharge level In comparing mortality rates between hospitals, it is important to also consider the _____. a. Admit sources b. Average length of stay c. Geometric length of stay d. Severity of illness Correct Answers Severity of illness In long-term care, the resident's care plan is based on data collected in the _____. a. UHDDS b. OASIS c. MDS d. HEDIS Correct Answers MDS
In order for an interface to be written, however, the applications' software must be written to conform to a data exchange standard protocol. ___ is the predominant standards development organization that creates standards for exchange of clinical data Correct Answers HL In order to increase the precision of a confidence interval and leave the confidence level the same, the sample size must be _____. a. Larger b. Smaller c. The same d. Sample size does not impact precision Correct Answers a. Larger In SNOMED-CT, this term is used to describe how concepts are linked to one another: a. Concept-orientation b. Mapping c. Relationship d. Lexicon Correct Answers c. Relationship In terms of grouping and reimbursement, how are the MS-LTC- DRGs and acute care MS-DRGs similar? a. Relative weights b. Organized into MDCs c. Categorization of low-volume groups into quintiles d. Classification of short-stay outliers Correct Answers Organized into MDCs
b. UACDS c. MDS d. OASIS Correct Answers DEEDS Mary Smith, RHIA, has been asked to work on the development of a hospital trauma data registry. Which of the following data sets would be most helpful in developing this registry? a. DEEDS b. UACDS c. MDS d. OASIS Correct Answers DEEDS Name the government agency that has led the development of basic data sets for health records and computer databases. a. Centers for Medicare and Medicaid Services b. Johns Hopkins University c. American National Standards Institute d. National Committee on Vital and Health Statistics Correct Answers d. National Committee on Vital and Health Statistics Protocols that support communication between applications are often referred to as: a. Mapping b. ETL code c. Messaging standards d. Source code Correct Answers Messaging standards Rates for population-based statistics are reported per 1,000, 10,000, or 100,000 individuals. Rates for healthcare facility statistics are reported per _____ cases. a. 100
b. 1, c. 10, d. 100,000 Correct Answers 100 Resource-based relative value (RBRVS) rates are calculated based on practice, expense, malpractice cost, and physician work and are then adjusted by a _____. a. Geographical practice cost index b. Physician specialty adjustment c. Relative value unit d. National conversion factor Correct Answers a. Geographical practice cost index Resource-based relative value (RBRVS) rates are calculated based on practice, expense, malpractice cost, and physician work and are then adjusted by a _____. a. Geographical practice cost index b. Physician specialty adjustment c. Relative value unit d. National conversion factor Correct Answers Geographical practice cost index RVUs are used as the basis of Medicare payment for which type of provider? a. Hospital inpatient b. Hospital outpatient c. Physician d. Laboratory Correct Answers physician
