Chapter 7, Epidemiology in Community Health Care

Community & Public Health Nursing Promoting the Public's Health 8th ed by Allender, Judith

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Chapter 7, Epidemiology in Community Health Care

 

Complete Chapter Questions With Answers

 

Sample Questions Are Posted Below

 

1. An instructor is discussing the worldwide distribution of AIDS. Which term would the instructor use to describe this situation?
  A) Epidemic
  B) Pandemic
  C) Endemic
  D) Pathogenicity
  Ans: B
  Feedback:
  Pandemic is the term used to describe an epidemic that is distributed worldwide. An epidemic refers to a disease occurrence that clearly exceeds the normal or expected frequency in a community or region. Endemic is used to describe the continuing presence of a disease or infectious agent in a given geographic area. Pathogenicity refers to an agent’s capacity to cause disease in a host.

 

 

2. After a class describing the contributions of Florence Nightingale to epidemiology, the instructor determines that the class needs additional instruction when they state which of the following is associated with Nightingale?
  A) Establishment of the need for a clean environment
  B) A sophisticated coding system for medical conditions
  C) Proper wound cleansing and bandaging techniques
  D) Separation of infected individuals from those injured
  Ans: B
  Feedback:
  Nightingale’s colleague, William Farr, is credited for developing a more sophisticated system for coding medical conditions. Nightingale’s contributions included establishing the need for a clean environment, properly cleaning wounds and bandaging them, and separating infected soldiers from those who were injured.

 

 

3. When applying the epidemiologic triad model to a community’s plan of care, which of the following would the community health nurse address?
  A) Incidence, prevalence, and case fatality
  B) Health, illness, and injury
  C) Host, agent, and environment
  D) Immunity, causation, and risk
  Ans: C
  Feedback:
  The purpose of this model is to demonstrate the relationship among host, agent, and environment. Each component has to be present to a certain degree in order for any disease, illness, or injury to exist or happen. If one component is missing, illness or injury will not occur. Incidence, prevalence, case fatality, health, illness, injury, immunity, causation, and risk are terms used in epidemiology but do not refer to the epidemiologic triad model.

 

 

4. Which of the following would the community health nurse identify as a key component of the host?
  A) Infectivity
  B) Antigenicity
  C) Virulence
  D) Inherent resistance
  Ans: D
  Feedback:
  The host, a susceptible human or animal, can sometimes have an ability to resist pathogens. This is called inherent resistance. Infectivity, antigenicity, and virulence are characteristics of the agent.

 

 

5. Which of the following statements apply to the concept of causality? Select all that apply.
  A) Causality is the relationship between cause and effect.
  B) The chain of causation is the most recent theory of causality.
  C) The web of causation theory is the most recent theory of causality.
  D) The chain of causation clearly explains causation in noninfectious disease.
  E) Epidemiology has changed its view of causality over time.
  Ans: A, C, E
  Feedback:
  Causality is the relationship between cause and effect. The web of causation theory is the most recent theory of causality. Epidemiology has changed its view of causality over time. The chain of causation was the first theory of causality. The chain of causation could not sufficiently explain causation in noninfectious disease because the chain of causation is too linear.

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