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HESI RN · HESI Community Health Nursing · Introduction to Epidemiology Ray M Merrill Case Study Questions

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

In a particular community, several high school students were diagnosed with diabetes mellitus Type 2 during the annual high school health fair. Over the next few years, the nursing staff developed and implemented educational programs about the risk factors for diabetes mellitus Type 2 and proper nutrition. Which of the following would be most useful for the nurses to use to determine if they are having any impact?

A. The epidemic of diabetes in the high school is gradually ending.

B. The incidence of diabetes is slowly decreasing during screening events.

C. The prevalence of diabetes is slowly decreasing during screening events.

D. The risk for diabetes is slowly increasing over tim

Expert Explanatory Rationale

Correct Answer: The prevalence of diabetes is slowly decreasing during screening events.

Question 2 of 5

Several small communities have applied for grant funding from the state department of health

A. Which of the following communities should the nurse suggest receive funding first?

B. Community A-with 23 single teenage pregnancies in a city of 500

C. Community B-with 45 single teenage pregnancies in a city of 1000

D. Community C-with 90 single teenage pregnancies in a city of 2000

Expert Explanatory Rationale

Correct Answer: Which of the following communities should the nurse suggest receive funding first?

Question 3 of 5

Which of the following activities best defines epidemiology?

A. Prescribing prophylactic antibiotics for an individual suspected of having been exposed to anthrax

B. Teaching a community class to those newly diagnosed with diabetes

C. Recommending that a restaurant temporarily close for deep cleaning after implicating it as the source of a norovirus outbreak

D. Encouraging families in the community to eat dinner together every night

Expert Explanatory Rationale

Correct Answer: Recommending that a restaurant temporarily close for deep cleaning after implicating it as the source of a norovirus outbreak

Question 4 of 5

What is the hallmark feature of an analytic study in epidemiology?

A. Use of an appropriate comparison group

B. Randomization in recruiting study participants

C. Confirmation of diagnosis via lab testing

D. Testing a hypothesis

Expert Explanatory Rationale

Correct Answer: Use of an appropriate comparison group

Question 5 of 5

Which of the following factors is a component of the epidemiological triad?

A. Susceptibility

B. Environment

C. Portal of exit

D. Pathogenicity

Expert Explanatory Rationale

Correct Answer: Environment

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