UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS
Incidence - CORRECT ANSWER Number of new cases in a specific time period;
measures risk.
Prevalence - CORRECT ANSWER Total number of existing cases at a given time;
measures burden of disease.
High incidence - CORRECT ANSWER Rapidly spreading disease.
High prevalence - CORRECT ANSWER Chronic disease (example: diabetes).
Risk - CORRECT ANSWER Probability that an individual will develop a disease over
a specific time.
Risk Factors - CORRECT ANSWER Behavioral (smoking), Environmental (lead
exposure), Genetic, Occupational, Social determinants (income, housing).
Morbidity - CORRECT ANSWER Illness rate in a population.
Mortality - CORRECT ANSWER Death rate in a population.
Epidemiologic Triangle - CORRECT ANSWER Three Components: Agent (cause of
disease), Host (person at risk), Environment (external factors allowing transmission).
Breaking the Epidemiologic Triangle - CORRECT ANSWER Vaccinate the host, clean
environment (e.g., mosquito control), treat infected individuals.