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D401 HLTH 3310 Introduction to Epidemiology FA READINESS EXAM Q & S 2026/2027
1. Multiple Choice: What is the primary purpose of a casecontrol study in epidemiology?
A) To determine the prevalence of a disease
B) To evaluate the effectiveness of a treatment
C) To identify factors that may contribute to a disease's
development
D) To establish the incidence rate of a disease
Correct Answer: C) To identify factors that may contribute
to a disease's development.
Rationale: Case-control studies are observational and
retrospective, focusing on comparing subjects with a
disease (cases) to those without (controls) to identify
potential causes or risk factors.
2. Fill-in-the-Blank: The measure of disease frequency over
a specified period among individuals who are at risk of
developing the disease is known as ____________.
Correct Answer: Incidence
Rationale: Incidence refers to the number of new cases of
a disease that occur in a specified population within a
certain time frame.
3. True/False: The cohort study design is the best option for
investigating rare diseases.
Correct Answer: False
Rationale: Cohort studies are not typically used for rare
diseases due to the large number of participants needed to
observe a sufficient number of cases.
4. Multiple Response: Which of the following are common
biases found in epidemiological studies? (Select all that
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