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Linhlinh Linhlinh
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6 years ago
An epidemiologist uses the epidemiological triangle to explain the occurrence of disease by looking at the three main components of the model: the host, the environment, and the agent.
 
  The PHN understands that the agent could be one of many types except:
  A. Biological and chemical
  B. Nutritive
  C. Physical
  D. Ecological
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Replies
wrote...
6 years ago
ANS: D
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