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CPHA Health Informatics & Data Analytics Flashcards

6 cards from real CPHA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 CPHA Health Informatics & Data Analytics flashcards as text

  1. Which federal law established national standards for the electronic exchange of health information and the privacy and security of patient data?

    Answer: HIPAA

    HIPAA (Health Insurance Portability and Accountability Act) established national standards for electronic health data exchange and created Privacy and Security Rules for protected health information.

  2. In public health surveillance, which system collects data from hospitals, clinics, and laboratories to monitor notifiable disease trends nationwide?

    Answer: NNDSS

    The National Notifiable Diseases Surveillance System (NNDSS) collects and analyzes data on notifiable conditions from health departments across all US states and territories.

  3. A public health data analyst wants to measure disease burden in a population by combining mortality and morbidity into a single metric. Which measure is most appropriate?

    Answer: Disability-Adjusted Life Year (DALY)

    DALYs (Disability-Adjusted Life Years) combine years of life lost due to premature death and years lived with disability into a single comprehensive disease burden metric.

  4. Which data visualization principle states that chart elements should have a clear purpose and unnecessary decorative elements should be removed?

    Answer: Data-Ink Ratio

    Edward Tufte's Data-Ink Ratio principle holds that every ink mark on a chart should represent data, and non-data ink (decorative elements) should be minimized.

  5. Which statistical method is most appropriate when a public health researcher wants to control for multiple confounding variables while examining the relationship between an exposure and a binary outcome?

    Answer: Multiple logistic regression

    Multiple logistic regression is used to assess the relationship between an exposure and a binary (yes/no) outcome while simultaneously controlling for multiple confounders.

  6. What does the term 'sensitivity' refer to in the context of public health screening tests?

    Answer: The ability of a test to correctly identify those with the disease (true positives)

    Sensitivity measures a test's ability to correctly identify individuals who truly have the disease — it is the true positive rate.