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piesebel

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A study that uses information on current health status, personal characteristics, and potential risk factors or exposures all at once is called:
 
  a. Cross-sectional
  b. Ecological
  c. Case-control
  d. Cohort

Question 2

An outbreak of a gastrointestinal illness from a food-borne pathogen is an example of a(n):
 
  a. Attack rate
  b. Point epidemic
  c. Secular trend
  d. Event-related cluster



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nicoleclaire22

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Answer to Question 1

A
A cross-sectional study collects information on current health status, personal characteristics, and potential risk factors or exposures all at once.

Answer to Question 2

B
One temporal and spatial pattern of disease distribution is the point epidemic. A point epidemic is most clearly seen when the frequency of cases is plotted against time. The sharp peak charac-teristic of such graphs indicates a concentration of cases in some short interval of time.





 

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