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Author Question: In researching an outbreak of malaria in the developing nation where the nurse currently works, the ... (Read 35 times)

plus1

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on: Jul 8, 2018
In researching an outbreak of malaria in the developing nation where the nurse currently works, the nurse decides to not focus on the role of mosquitoes in transmitting the disease but on how the physical environment of the community,
 
  biological aspects of the community, and social customs interact to affect the prevalence of this disease. Which epidemiological model is the nurse using?
  A) Epidemiologic triad
  B) Wheel of causation
  C) Web of causation
  D) Natural history

Question 2

Which represents the correct order of the three stages of the natural history of disease?
 
  A) Pathological onset, manifestation of clinical disease, presymptomatic
  B) Presymptomatic, pathological onset, manifestation of clinical disease
  C) Pathological onset, presymptomatic, manifestation of clinical disease
  D) Manifestation of clinical disease, presymptomatic, pathological onset


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apple

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Reply #1 on: Jul 8, 2018
Answer to Question 1

Ans: B
Feedback:
The wheel of causation de-emphasizes the agent as the sole cause of disease while emphasizing the interplay of physical, biological, and social environments. The epidemiologic triad is the classic model based on the belief that health status is determined by the interaction of the characteristics of the host, agent, and environment, not by any single factor. The web of causation is an epidemiologic model that strongly emphasizes the concept of multiple causation while de-emphasizing the role of agents in explaining illness. Natural history is the course of a disease or condition from the onset to resolution.

Answer to Question 2

Ans: C
Feedback:
Epidemiologic research has established the natural history of most illnesses. This refers to the course of a disease or condition from the onset to resolution. It includes (1) the pathological onset stage, (2) the presymptomatic stage, and (3) the manifestation of clinical disease.


plus1

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Reply 2 on: Jul 8, 2018
Gracias!

coreycathey

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

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