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Author Question: When doing a lecture on the epidemiologic triangle, it is important to differentiate each component. ... (Read 35 times)

joesmith1212

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When doing a lecture on the epidemiologic triangle, it is important to differentiate each component. When asked a question about what causes a disease, it is important to understand that this organism is called what?
 
  A) Agent
  B) Environment
  C) Factor
  D) Host

Question 2

An association may meet all the criteria for causation and later be shown to be false or factitious because of factors that were not known at the time the study was done. Investigators must interpret results with great caution;
 
  they rarely consider a cause proven. Which is a widely used criterion for evaluating causation?
 
  A) Association is not strong.
  B) Association is not specific.
  C) Association is temporally correct.
  D) Association is the result of a confounding variable.



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alvinum

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Answer to Question 1

Ans: A
In the epidemiologic triangle model, the agent is an organism capable of causing disease. The host is the population at risk for developing the disease. The environment is a combination of physical, biologic, and social factors that surround and influence both the agent and the host.

Answer to Question 2

Ans: C
Six widely used criteria for evaluating causation are the association is strong; the association is consistent; the association is temporally correct; the association is specific; the association is not the result of a confounding variable; and the association is plausible and consistent with current knowledge.




joesmith1212

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Reply 2 on: Jul 8, 2018
Great answer, keep it coming :)


parker125

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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