1. In the definition of epidemiology, “determinants” generally includes:
a) Agents
b) Causes
c) Control measures
d) Sources
2. Epidemiology, as defined in this lesson, would include which of the following activities?
a) Describing the demographic characteristics of persons with acute aflatoxin
poisoning in District A
b) Comparing the family history, amount of exercise, and eating habits of those with
and without newly diagnosed diabetes
c) Recommending that a restaurant be closed after implicating it as the source of a
hepatitis A outbreak
d) All of the above
3. Public health surveillance includes which of the following activities:
a) Soliciting case reports of persons with symptoms compatible with SARs from local
hospitals
b) Creating graphs of the number of dog bites by week and neighborhood
c) Writing a report on trends in seat belt use to share with the state legislature
d) All of the above
4. The hallmark feature of an analytic epidemiologic study is: (Choose one best answer)
a) Use of an appropriate comparison group
b) Laboratory confirmation of the diagnosis
c) Publication in a peer-reviewed journal
d) Statistical analysis using logistic regression
5. Comparing numbers and rates of illness in a community, rates are preferred for:
(Choose one best answer)
a) Conducting surveillance for communicable diseases
b) Deciding how many doses of immune globulin are needed
c) Estimating subgroups at highest risk
d) Telling physicians which strain of influenza is most prevalent
6. When analyzing surveillance data by age, which of the following age groups is
preferred? (Choose one best answer)
a) 1-year age groups
b) 5-year age groups
c) 10-year age groups
d) Depends on the disease
7. A study in which children are randomly assigned to receive either a newly formulated
vaccine or the currently available vaccine, and are followed to monitor for side effects
and effectiveness of each vaccine, is an example of which type of study?
a) Experimental
b) Clinical trial
c) Case-control
d) a & b
8. A cohort study differs from a case-control study in that:
a) Subjects are enrolled or categorized on the basis of their exposure status in a
cohort study but not in a case-control study
b) Subjects are asked about their exposure status in a cohort study but not in a case-
control study
c) Cohort studies require many years to conduct, but case-control studies do not
d) Cohort studies are conducted to investigate chronic diseases, case-control studies
are used for infectious diseases
9. The epidemiologic triad of disease causation refers to: (Choose one best answer)
a) Agent, host, environment
b) Time, place, person
c) Source, mode of transmission, susceptible host
d) John Snow, Robert Koch, Kenneth Rothman
10. The direct modes of transmission of diseases are
a) vehicle-borne
b) food-borne
c) vector-borne
d) trans placental
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