Population Health Data and Diagnosis Analysis Quiz
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Questions and Answers

What is the purpose of EHRS according to the text?

  • To organize data for specific diseases (correct)
  • To capture the most important features using machine learning
  • To predict behaviors in various environments
  • To collect demographic data only

What is the main function of a Registry as described in the text?

  • Reducing the number of variables in the dataset
  • Predicting treatment outcomes with 100% accuracy
  • Cleaning the data from noise and outliers
  • Collecting uniform data for specific diseases or conditions (correct)

What is the primary purpose of data preprocessing discussed in the text?

  • To predict behaviors in varied environments
  • To transform the data to fit specific assumptions
  • To reduce the number of variables in a dataset
  • To clean data by removing noise and outliers (correct)

What is the goal of transformation in the context of data preparation?

<p>To fit the data to specific assumptions (B)</p> Signup and view all the answers

In predictive modeling and data mining, what do simple mathematical/statistical methods aim to achieve?

<p>Capturing the most important features for predictions (A)</p> Signup and view all the answers

What is a key ability of predictive modeling according to the text?

<p>Suggesting treatment plans without prior knowledge of outcomes (D)</p> Signup and view all the answers

What type of data is used to predict population health outcomes, Medicare, Medicaid costs, and implement preventive measures?

<p>Claims data (A)</p> Signup and view all the answers

Which coding mechanisms may lead to interoperability issues when dealing with healthcare data?

<p>Rxnorm (B)</p> Signup and view all the answers

What can demographic data, diagnosis, severity, medications, and surveys collectively help in predicting?

<p>Population health outcomes (D)</p> Signup and view all the answers

Which type of information can be derived from medications data besides cost and side effects?

<p>Drug interactions (C)</p> Signup and view all the answers

What does claims data capture related to healthcare utilization and costs?

<p>Both inpatient and outpatient details (A)</p> Signup and view all the answers

Which aspect is NOT typically considered in claims data or EHRs for future predictions?

<p>Income levels of patients (B)</p> Signup and view all the answers

What is the difference between data, information, and knowledge according to Dr. Jalal?

<p>Data is raw, information has meaning and conclusions can be drawn, knowledge is general information believed to be true (D)</p> Signup and view all the answers

How does Dr. Jalal compare health data to banking data in terms of the 'semantic gap'?

<p>Moving money from A to B is similar to giving medication/performing procedure (C)</p> Signup and view all the answers

What is an example of meaningful 'information'?

<p>&quot;Unspecified Lung Neoplasm&quot; represented by ICD-10-CM code C34.9 (D)</p> Signup and view all the answers

How does the text describe the entities related to Public Health (PH)?

<p>Person, payer, health system are entities pertaining to PH (A)</p> Signup and view all the answers

Which aspect differentiates clerical staff from clinical staff according to Dr. Jalal?

<p>Highly variable workflow vs well-defined workflow (D)</p> Signup and view all the answers

What does Dr. Jalal emphasize about the representation of data in computers?

<p>Computers do not represent meaning, only input, store, process and output data (D)</p> Signup and view all the answers

What is the core goal of science according to the text?

<p>Transforming information into knowledge (B)</p> Signup and view all the answers

Which type of knowledge is most prevalent in the clinical world according to the text?

<p>Justified (D)</p> Signup and view all the answers

What do entity relationship diagrams represent in conventional database information systems?

<p>Collection of data attributes (D)</p> Signup and view all the answers

What do lab test results with ranges provide guidance on?

<p>Possible diagnosis and prognosis (C)</p> Signup and view all the answers

Which type of information allows one to gain further insight once it is processed, organized, structured, or analyzed?

<p>Transformed meaningful data (A)</p> Signup and view all the answers

How does clinical research help accomplish goals in a faster and cheaper manner according to the text?

<p>By using evidence-based justified knowledge (A)</p> Signup and view all the answers

What is the primary challenge associated with using unstructured clinical notes for comparative effectiveness research (CER)?

<p>Difficulty in managing treatment information (C)</p> Signup and view all the answers

Why is the use of Clinical Data Warehouse (CDW) important in healthcare?

<p>To integrate clinical data from various sources for analysis (D)</p> Signup and view all the answers

Which term represents the process of Extract, Transform, and Load (ETL) in the context of Clinical Data Warehouse (CDW)?

<p>Cleaning and loading data into a common database (B)</p> Signup and view all the answers

What is a significant information challenge highlighted in the text related to using CDW for research purposes?

<p>Insufficient information on patients' past medical history (C)</p> Signup and view all the answers

In what way does the text suggest CDW addresses the challenge of extracting data from free text?

<p>By utilizing discharge summaries and reports for data extraction (B)</p> Signup and view all the answers

Which aspect of using CDW for research in healthcare is emphasized as having a very little semantic gap compared to other industries?

<p>Retrieving data on specific diseases like High Blood Pressure (B)</p> Signup and view all the answers

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