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CHDA Exam 3 Questions With Complete Solutions "Not Elsewhere Classified" should not appear in a clinical terminology because it results in Correct Answers Imprecise data A current key function in the health information field whereby data is turned into useful info is Correct Answers data analytics A data dictionary is Correct Answers A roadmap to the contents of a database A health information exchange entity that has no access to personal health information is an example of this kind of architectural model Correct Answers switch A health information professional is preparing statistical information about the third party payers that reimburse care in the facility. She finds the following info: Medicare reimburses 46%; Medicare reimburses 13% etc; What is the best graphic tool to use to display this data? Correct Answers pie chart A line chart is the best display of Correct Answers The average length of stay by month for the last year A one-sample z-test for proportions may be used to Correct Answers determine if the mortality rate at one hospital is different from a standard A primary key in a table: Correct Answers Must be unique for each row in the table
A radiology department is planning to develop a remote clinic and plans to transmit images for diagnostic purposes. The most important standards to implement in order to transmit images is: Correct Answers DICOM (Digital Imaging and Communications) A recognized system of terms that follows pre-established naming conventions is called: Correct Answers nomenclature A researcher mined the Medicare Provider Analysis Review (MEDPAR) file. The analysis revealed trends in lengths of stay for rural hospitals. What type of investigation was the researcher conducting? Correct Answers secondary analysis A researcher would like to test the null hypothesis that the mean wait time at four urgent care sites is equal. What statistical test should the researcher use in this situation? Correct Answers ANOVA A revenue code represents a: Correct Answers Facility department A sample of medical records is selected by randomly selecting all records from hospitals selected at random. What type of sampling is this? Correct Answers simple random sampling A(n) _____________ is developed outside the framework of a specific database and is used to define individual data elements used throughout a healthcare facility. Correct Answers DBMS data dictionary
Cancer registries often use the _________ classification system. Correct Answers ICD-O chart Correct Answers chart Correct Answers chart Correct Answers chart Correct Answers chart Correct Answers Choose the data standardized utilized for exchanging and developing electronic health records (EHRs). Correct Answers HL CMS is using what data analytic technique to determine which claims should be sampled for further compliance review? Correct Answers predictive modeling CMS pays for inpatient services provider to Medicare patients via: Correct Answers IPPS (inpatient prospective payment system) Community Hospital just added a new system that changed the way data move throughout the facility. Which of the following would need to be updated to reflect this change? Correct Answers data flow diagram
Community Memorial Hospital had 25 inpatient deaths, including newborns, during the month of June. The hospital had a total of 500 discharges for the same period, including deaths of adults, children, and newborns. The hospital's gross death rate for the month of June was: Correct Answers 5% Data mining is a process that involves which of the following? Correct Answers using sophisticated computer technology to sort through an entity's data to identify unusual patterns Determining the patient volume by service line based on ICD- code is a ___________ use of the ICD-9 code. Correct Answers secondary DRGs or MS-DRGs may be grouped into categories called Correct Answers MDCs During an influenza outbreak, a nursing home reports 25 new cases of influenza in a given month. These 25 cases represent 30% of the nursing home's population. This rate represents the: Correct Answers incidence rate Efforts are continuing to develop a unique healthcare identifier for every person. The number that has been proposed for use as a unique patient identification number but is controversial because of confidentiality and privacy concerns is the _____. Correct Answers social security number Exploratory data analysis is primarily used to Correct Answers Uncover patterns in data
If a health plan analyst wanted to determine if the readmissions rates for two hospitals were statistically different, what is the null hypothesis? Correct Answers the readmission rates are equal If a null hypothesis is rejected at an alpha level of 0.05, which of the following statements is true: Correct Answers it will be rejected at alpha level 0. If a nurse uses the abbreviation CPR to mean cardiopulmonary resuscitation one time and computer-based patient record another time, leading to confusion if the chart were audited would be a concern of this dimension of data quality? Correct Answers consistency If an analyst is studying the wait times at a clinic and the only list of patients available is hard copy, which sampling technique is the easiest to use? Correct Answers systematic sampling If an analyst wishes to determine the root cause of claim denials during June 2013 via a random sample, what is the sampling unit? Correct Answers claim If an analyst wishes to predict future length of stay for hip replacement patients based on the age of the patient, which of the following is a correct statement? Correct Answers age is the independent variable; length of stay is the dependent variable
If My Town Family Practice is looking for a way to justify higher compensation for the physicians that provide the highest level of resource intensity, which of the following metrics is the most appropriate? Correct Answers Number of RVUs If the hypothesis that a correlation coefficient is equal to zero cannot be rejected with a sample size of 10, would the hypothesis be more or less likely to be rejected with a sample size of 100 and the same sample correlation value? Correct Answers more likely If the least squares regression line modeling wait time as a function of the number of surgeries scheduled is Y = 10 + 5 x X. Where Y is wait time and X is the number of surgeries. If the actual wait time for a patient scheduled on a day with 4 surgeries is 34 minutes, what is the residual for that patient? Correct Answers 4 If we change sample size from 10 to 100 and all other statistics remain the same, then how is the confidence interval changed? Correct Answers the interval will be narrower In an SQL database, all queries are based on which command statement? Correct Answers SELECT In analyzing the reason for changes in a hospital's Medicare case-mix index over time, the analyst should start with which of the following levels of detail? Correct Answers MS-DRG triples, pairs, and singles
LONICs are likely to be found in a Correct Answers LIS Mary Smith, RHIA, has been charged with the responsibility of designing a data collection form to be used on admission of a patient to the acute care hospital in which she works. The first resource that she should use is ______. Correct Answers UHDDS (Uniform Hospital Discharge Data Set) Medicare inpatient claims may be found in Correct Answers MedPAR file Messaging standards for electronic data interchange in healthcare were developed by Correct Answers HL One key benefit of building an accurate data dictionary is Correct Answers improved data accuracy PACS may be found in a: Correct Answers RIS (Radiology information system) Relational databases that store historical, demographic and transaction data about clinical, administrative, and financial patient information are referred to as Correct Answers data warehouses RVUs are used as the basis of Medicare payment for which type of provider? Correct Answers Physician Select the SQL query that will do the following. Pull payer name with plan code 'M01' from a table called 'payer' that contains the
following data elements: plan_code, payer_name, contract_begin_date, contract_end_date. Correct Answers Select payer_name from payer where plan_code = 'M01' Survey responses collected using a 7-point Likert scale are an example of Correct Answers ordinal scale data The "discharged, not final billed" report (also known as "discharged, no final bill" or "accounts not selected for billing or DNFB") includes what type of accounts? Correct Answers accounts that have been discharged and have not been billed for a variety of reasons The ambulatory payment classification (APC) system is based on the categorization of ___________ services. Correct Answers outpatient care The assumption that there will be no differences between groups that are tested and therefore, no significant results will be revealed is called Correct Answers null hypothesis The attributes of data should be documented in an organization's ____________. Correct Answers data dictionary The barrier to adopting SNOMED CT for healthcare facility coding is that it ______. Correct Answers is too complex to use as a reimbursement coding system The case-mix index (CMI) for a hospital should be monitored over time. This is doe by establishing a valid baseline to track any deviations over a period of time. Which of the following are
The Health Level Seven (HL7) EHR System Functional Model (EHR-SFM) is based on which of the following? Correct Answers Two axes:functions and care settings The health record is considered a(n) __________ because it contains patient-specific data and information about a patient that has been documented by the professionals who provided care or services to that patient. Correct Answers primary data source The HIM director asks an analyst to determine the appropriate sample size to use to estimate the time to code inpatient records in his department. What piece(s) of information must the analyst determine? Correct Answers all of these The KIDS pediatric database is part of what family of databases? Correct Answers HCUP (Healthcare Cost and Utilization Project) The name of the government agency that has led the development of basic data sets for health records and computer databases is the Correct Answers National Committee on Vital and Health Statistics The process by which most healthcare informatics standards have been implemented is Correct Answers consensus The relationship between patient gender and readmission to the hospital is best displayed using a Correct Answers contingency table
The security devices situated between the routers of a private network and a public network to protect the private network from unauthorized users are called Correct Answers firewalls The technology commonly utilized for automated claims processing (sending bills directly to third-party payers) is: Correct Answers electronic data interchange The term used to describe process of organizing data in a relational database to minimize redundancy is Correct Answers normalization The type of data display tool is a plotted chart of data that shows the progress of a process over time: Correct Answers line graph This allows decision makers to perform simple reporting, complicated analysis, multidimensional analysis, population analysis and benchmarking, and reimbursement analysis. Correct Answers Data warehouse This classification system is used to report procedures performed in the ambulatory care setting for the purpose of reimbursement Correct Answers CPT This data collection tool is used when one needs to gather data on sample observations in order to detect patterns Correct Answers check sheet This health information exchange(HIE) consent model requires the patient to give their consent for the inclusion of their data in the HIE Correct Answers opt-in
DRG XXX. The alternative hypothesis would be stated as: Correct Answers μ1 is more than or equal to μ What is a binary value? Correct Answers a variable that can take on only two value What is the purpose of Tukey's HSD test? Correct Answers tests to determine which pairs of means are different after a significant ANOVA What statistic is appropriate for measuring the association between patient severity categories (1-4) and number of lab tests performed during an admission? Correct Answers Spearman's Rho What term is used for a centralized database that captures, sorts, and processes patient data and then sends it back to the user? Correct Answers clinical data repository What term is used in reference to raw facts generally stored as characters, words, symbols, measurements, or statistics? Correct Answers data When determining the suitability of a data element for secondary use, the analyst should consider which attribute first: Correct Answers reliability and validity When undertaking an LHR (Legal Health Record) project the stakeholder group must include individuals from various levels of the organization. Which of the following should be included
among the stakeholders? Correct Answers information technology staff Which code set would be utilize to create a report showing a hospital's case mix index? Correct Answers DRG Which of the following are phases of the systems development life cycle (SDLC)? Correct Answers Analysis, design, and implementation Which of the following are used to report information about mortality and morbidity at local, state, and national levels? Correct Answers proportions, rations, and rates Which of the following classification systems is an 11 digit code and is used to describe pharmaceuticals? Correct Answers NDC (National Drug Code) Which of the following does not describe capitation? Correct Answers payment for each medical service is usually based on the actual charges of the provider Which of the following does not influence the level of type 2 error? Correct Answers null hypothesis value Which of the following examples illustrates data that have been transformed into meaningful information? Correct Answers average length of stay at Holt Hospital is 5.6 days
Which of the following may be the variable of interest in an attribute study? Correct Answers claim denial rate Which of the following positions is least likely to be held by a health information manager? Correct Answers database administrator Which of the following represents the three main components of the UMLS? Correct Answers Metathesaurus, Specialist Lexicon, Sematic Network Which of the following sites is considered a facility in the RBRVS payment system? Correct Answers ambulance Which of the following sites is considered a facility in the RBRVS payment system? Correct Answers ambulance Which of the following terms is defined as the proportion of people in a population who have a particular disease at a specific point in time or over a specified period of time? Correct Answers prevalence rate Which of the following variables is nominal? Correct Answers patient gender Which portion of this NDC code represents the product code: 00777-3105-02? Correct Answers 3105
Which statistic should the researchers in use to measure the linear relationship between age and length of stay? Correct Answers Pearson's r Which term is used for a centralized database that captures, sorts, and processes patient data and then sends it back to the user? Correct Answers Clinical data repository Which test statistic should be used to test hypothesis that there is a different readmission rate for male and female patients? Correct Answers two-sample z-test for proportions Which type of database stores data in predefined tables that contain rows and columns similar to a spreadsheet? Correct Answers relational Which type of indicators measure the actual results of care for patients and populations, including patient and family satisfaction? Correct Answers outcome Which type of standards describes the accepted methods for collections, sharing, and/or analyzing healthcare data among computer systems? Correct Answers health informatics standards You suspect that a user has viewed protected health info without due cause. Which of the following features would you consult to affirm this suspicion? Correct Answers audit trails You wish to explore whether there is a correlation between two data points, such as length of stay and charges. Which of the
