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ATI RN · ATI Community Health · Epidemiology Test Questions and Answers PDF

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

What type of study design is most suitable for establishing a cause-and-effect relationship?

A. Cross-sectional study

B. Cohort study

C. Case-control study

D. Randomized controlled trial

Expert Explanatory Rationale

Correct Answer: Randomized controlled trial

Question 2 of 5

Which is a fairly recent surprise regarding infectious diseases in the United States?

A. Cervical cancer and coronary artery disease may be caused by infectious agents.

B. Epidemics such as the H1N1 flu continue to occur.

C. Mortality caused by infectious diseases continues to rise.

D. Some infectious diseases remain endemic in our society.

Expert Explanatory Rationale

Correct Answer: Cervical cancer and coronary artery disease may be caused by infectious agents.

Question 3 of 5

Which of the following patients is most likely to have a stroke within a year?

A. A 70-year-old male smoker with hypertension

B. A 70-year-old female smoker with hypertension

C. A 50-year-old woman with mitral valve prolapse

D. A 50-year-old woman with a recent transient ischemic attack

Expert Explanatory Rationale

Correct Answer: A 50-year-old woman with a recent transient ischemic attack

Question 4 of 5

A public health nurse found that out of the 70 people who ate the potato salad at a school picnic, 63 developed symptoms of food poisoning. Which of the following best describes the attack rate?

A. 63%

B. 70%

C. 90%

D. 100%

Expert Explanatory Rationale

Correct Answer: 90%

Question 5 of 5

In which stage of disease progression would the nurse classify a client who has elevated blood pressure but no symptoms?

A. Susceptibility stage

B. Subclinical stage

C. Clinical stage

D. Carrier stage

Expert Explanatory Rationale

Correct Answer: Subclinical stage

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