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Biology, Social Studies, Science
University
Epidemiology and Public Health
29 questions
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- 1. Multiple Choice
In the definition of epidemiology, “distribution” refers to: (Choose all possible answers)
Who
where
why
when
- 2. Multiple Choice
In the definition of epidemiology, “determinants” generally includes: (Choose all possible answers)
Agents
causes
control measures
risk factors
sources
- 3. Multiple Choice
epidemiology, as defined in this lesson, would include which of the following activities? (Choose all possible answers)
Describing the demographic characteristics of persons with acute aflatoxin poisoning in District A
Prescribing an antibiotic to treat a patient with community-acquired methicillin-resistant Staphylococcus aureus infection
Comparing the family history, amount of exercise, and eating habits of those with and without newly diagnosed diabetes
Recommending that a restaurant be closed after implicating it as the source of a hepatitis A outbreak
- 4. Multiple Choice
Public health surveillance includes which of the following activities:
Diagnosing whether a case of encephalitis is actually due to West Nile virus infection
Soliciting case reports of persons with symptoms compatible with SARs from local hospitals
Creating graphs of the number of dog bites by week and neighborhood
Writing a report on trends in seat belt use to share with the state legislature
Disseminating educational materials about ways people can reduce their risk of Lyme disease
- 5. Multiple Choice
A number of passengers on a cruise ship from Puerto Rico to the Panama Canal have recently developed a gastrointestinal illness compatible with norovirus (formerly called Norwalk-like virus). Testing for norovirus is not readily available in any nearby island, and the test takes several days even where available. Assuming you are the epidemiologist called on to board the ship and investigate this possible outbreak, your case definition should include, at a minimum: (Choose one best answer)
Clinical criteria, plus specification of time, place, and person
Clinical features, plus the exposure(s) you most suspect
Suspect cases
The nationally agreed standard case definition for disease reporting
- 6. Multiple Choice
The epidemiologic triad of disease causation refers to: (Choose one best answer)
Agent, host, environment
Time, place, person
Source, mode of transmission, susceptible host
John Snow, Robert Koch, Kenneth Rothman
- 7. Multiple Choice
An infectious agent can reside in ...?
An asymptomatic human
A symptomatic human
An animal
The environment
All of the above
- 8. Multiple Choice
Indirect transmission includes which of the following? (Choose all possible answers)
Droplet spread
Mosquito-borne
Foodborne
Doorknobs or toilet seats
- 9. Multiple Choice
Disease control measures are generally directed at which of the following? (Choose all possible answers)
Eliminating the agent
Eliminating the host
Eliminating the vector
Interrupting mode of transmission
Reducing host susceptibility
- 10. Multiple Choice
Epidemiologists are interested in learning about
the causes of diseases and how to control them
the frequency and geographic distribution of diseases
the causal relationships between diseases
all of the above
- 11. Multiple Choice
Diseases that are always present in a community, usually at a low, more or less constant, frequency are classified as having an ____________ pattern.
epidemic
endemic
pandemic
- 12. Multiple Choice
Which of the following statements is true concerning endemic diseases?
They are usually not very contagious.
At the end of an endemic, a disease spreads at an increasing rate and then abruptly disappears.
They usually appear and disappear seasonally.
- 13. Multiple Choice
An epidemic that becomes unusually widespread and even global in its reach is referred to as a _________________ .
pandemic
hyperendemic
Spanish flu
- 14. Multiple Choice
A disease vector is a(n) ____________________ .
organism that transmits a disease
symptom of a disease
environmental condition associated with a disease
- 15. Multiple Choice
Which of the following things cause malaria?
mosquitoes
plasmodia (singular plasmodium) (a vector)
red blood cells
- 16. Multiple Choice
Most of the major health problems in the poorer nations are due to ____________________ .
parasitic worms and microorganisms
air pollution
psychological tension resulting from work
- 17. Multiple Choice
Which of the following statements is true?
Modern medicine has at times been responsible for causing health problems.
Malnutrition has been essentially eliminated in the United States.
Persistent undernourishment among children rarely results in serious health problems.
- 18. Multiple Choice
Which of the following is a study of distribution of diseases in a population?
hematology
epidemiology
pedology
rheumotology
- 19. Multiple Choice
The comparison of disease experienced in different population is expressed in the forms of ....?
scale
intensity
rates
magnitude
- 20. Multiple Choice
Which of the following term is used for a disease found within a population during a certain season?
pandemic
endemic
epidemic
none of the above
- 21. Multiple Choice
Which of the following occurs across a large area such as an entire country or spread across continents?
Syndemic
Endemic
Pandemic
Epidemic
- 22. Multiple Choice
An endemic is the occurrence of disease clearly in excess of normal expectancy.
True
False
- 23. Multiple Choice
The mode of transport of an infectious agent through the environment to a susceptible host is called
host
agent
disease
carrier/ vector
- 24. Multiple Choice
An epidemic is a disease occurring over a wide geographic area and affecting huge populations.
true
false
- 25. Multiple Choice
A confounder is (Circle all that apply)
a factor associated with the outcome, but not associated with the exposure
a factor associated with the outcome and associated with the exposure and on the causal pathway between exposure and outcome
a factor not associated with the outcome, but associated with the exposure
a factor associated with the outcome and associated with the exposure, but not on the causal pathway
- 26. Multiple Choice
What are focus areas of nutritional epidemiology?
The role of nutritional factors in causing disease in a population.
How changes in food intake in the population can promote good health.
Both of the options given are correct.
None of the options given are correct.
- 27. Multiple Choice
Confounding is a particular challenge in nutritional epidemiology because
people change their diets over time.
it is difficult to measure people's diets accurately in large studies
the are no good methods to adjust for confounding in nutritional studies.
different dietary components are correlated with each other, making it difficult to separate their effects.
- 28. Multiple Choice
Which of these is an example of confounding in statistics?
Only asking people of one race or ethnicity a general question
Asking people to recall specific facts from long ago
Altering the results of a study
Guiding a respondent to a desired answer
- 29. Multiple Choice
Why might a study about climate change by a company that sells fossil fuels be an instance of funding bias?
One could reasonably ask questions about the objectivity of the study, since such a company may have a financial interest in the outcome.
A company that sells fossil fuels would require that any study it commissions support the use of their product.
The study was funded by a group that is not the government or a university.
The study was funded by a group that is not a university.
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