HIN 269 9

Question 1

Clinical medicine and epidemiology differ from each other in the major aspect of

Answer 1

practice focus

Question 2

Nurses in community health often use epidemiology because in the community it is often difficult to control the environment. Which of the following statements demonstrates an epidemiologic strategy for monitoring disease trends

Answer 2

A nurse in community health investigates a breakout of whooping cough in a local middle school

Question 3

One of the basic concepts in epidemiology is the concept of risk. Risk refers to the

Answer 3

probability that an event will occur within a specified time period

Question 4

Twenty people attended a church picnic the previous weekend. By Monday, four individuals exhibited symptoms of food poisoning. On Tuesday, the nurse in community health records the addition of two new cases. The incidence rate would be

Answer 4

two new cases divided by 16 at risk

Question 5

A breast cancer screening program screened 8000 women and discovered 35 women previously diagnosed with breast cancer and 20 women with no history of breast cancer diagnosed as a result of the screening. The prevalence proportion would reflect

Answer 5

current and past breast cancer events in this population of women

Question 6

A business executive develops symptoms of the flu 1 day after returning by air from a cross-Atlantic business trip that ran for 2 consecutive stressful 10-hour days. This individual’s development of flu symptoms illustrates the relationship between

Answer 6

host, agent, and environment

Question 7

A nurse in community health who teaches a client with asthma to recognize and avoid exposure to asthma triggers and assists the family in implementing specific protection strategies such as removing carpets and avoiding pets is intervening at the level of

Answer 7

secondary prevention

Question 8

A nurse is concerned about the accuracy of the PPD test in identifying cases of TB exposure for follow-up chest x-ray. The nurse’s concern is addressing the validity measure of

Answer 8

sensitivity

Question 9

Analytic epidemiology differs from descriptive epidemiology because it searches for

Answer 9

“why” of disease patterns

Question 10

Which of the following tools are used in analytic epidemiology? (Select all that apply.)

Answer 10

• cohort study
• case-control study
• cross-sectional study