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HPCSA Board Exam Measures of Risk — practice questions — page 2

Explore 34 free Measures of Risk questions in HPCSA Board Exam Epidemiology and Biostatistics. Open each question or exercise to read its content, reference answers and available explanation.

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Measures of Risk questions and exercises with answers

Showing questions 31–34 of 34.

Name the measure from its clueRead the answer and worked solution →Sort each measure by its familyRead the answer and worked solution →Incidence or prevalence?Read the answer and worked solution →Which figure runs higher?Read the answer and worked solution →

Worked practice questions

Name the measure from its clue

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Clues and terms
  1. Clue
    Share of a population that develops illness during an outbreak
    Item
    Attack rate
  2. Clue
    Counts new and pre-existing cases present at a given time
    Item
    Prevalence
  3. Clue
    Puts person-time in the denominator to show how fast cases appear
    Item
    Incidence rate
  4. Clue
    Cross product of a times d over b times c, used in case-control work
    Item
    Odds ratio
  5. Clue
    Attack rate in the exposed group divided by that in the unexposed
    Item
    Risk ratio
  6. Clue
    Share of persons with a condition who die from that condition
    Item
    Case-fatality
  7. Clue
    Deaths under 28 days of age per 1,000 live births
    Item
    Neonatal rate
  8. Clue
    Pregnancy-related deaths per 100,000 live births
    Item
    Maternal rate
  9. Clue
    Sums the years between age at death and an end point such as 65
    Item
    YPLL
Instructions
Read each clue, then tap the square holding the measure it describes.
_Source: CDC Principles of Epidemiology in Public Health Practice (3rd ed., US federal, public domain), Lesson 3 "Measures of Risk", section Measures of Association_

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Sort each measure by its family

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Items
  1. Group
    Ratio
    Item
    Risk ratio
  2. Group
    Proportion
    Item
    Attack rate
  3. Group
    Rate
    Item
    Crude death rate
  4. Group
    Ratio
    Item
    Odds ratio
  5. Group
    Proportion
    Item
    Point prevalence
  6. Group
    Rate
    Item
    Infant mortality
  7. Group
    Ratio
    Item
    Death-to-case
  8. Group
    Proportion
    Item
    Secondary attack
  9. Group
    Rate
    Item
    Cause-specific
Groups
  1. Item
    Ratio
  2. Item
    Proportion
  3. Item
    Rate
Instructions
Drag each measure into the column for ratio, proportion or rate.
_Source: CDC Principles of Epidemiology in Public Health Practice (3rd ed., US federal, public domain), Lesson 3 "Measures of Risk", section Definition of rate_

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Incidence or prevalence?

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Left
Incidence
Items
  1. Item
    New cases only
    Answer
    Incidence
  2. Item
    Measure of risk
    Answer
    Incidence
  3. Item
    Existing cases too
    Answer
    Prevalence
  4. Item
    Used in risk ratio
    Answer
    Incidence
  5. Item
    Duration matters
    Answer
    Prevalence
  6. Item
    Snapshot in time
    Answer
    Prevalence
  7. Item
    Attack rate is one
    Answer
    Incidence
  8. Item
    Fits chronic cases
    Answer
    Prevalence
Right
Prevalence
Instructions
Swipe left for incidence, right for prevalence.
_Source: CDC Principles of Epidemiology in Public Health Practice (3rd ed., US federal, public domain), Lesson 3 "Measures of Risk", section Properties and uses of prevalence_

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