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D401 HLTH 3310 Introduction to Epidemiology FA READINESS EXAM Q & S 2026/2027
1. Which type of study design is best for assessing the
effectiveness of a vaccination program?
A) Case-Control Study
B) Cohort Study
C) Cross-Sectional Study
D) Ecological Study
Answer: B) Cohort Study
Rationale: Cohort studies follow groups over time to
see differences in exposure and outcome, which is ideal for
assessing vaccination effectiveness.
2. In epidemiology, the term “incidence” refers to:
A) The total number of existing cases of a disease
B) The number of new cases of a disease occurring in a
specified period
C) The proportion of individuals with a certain disease at a
given time
D) The rate of deaths in a population
Answer: B) The number of new cases of a disease
occurring in a specified period
Rationale: Incidence measures new cases in a
population over a specified time period.
3. Which of the following is NOT a measure of disease
frequency?
A) Prevalence
B) Incidence Rate
C) Mortality Rate
D) Attributable Risk
Answer: D) Attributable Risk
Rationale: Attributable risk is a measure of association,
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