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ATI RN · ATI Community Health · Epidemiology Final Exams Questions and Answers

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

What is the main advantage of a case-control study?

A. It is less prone to bias

B. It is suitable for studying rare diseases

C. It provides data on incidence

D. It follows individuals over time

Correct Answer: It is suitable for studying rare diseases

Question 2 of 5

Indirect transmission includes which of the following? (Choose one wrong answer)

A. Droplet spread

B. Mosquito-borne

C. Foodborne

D. Doorknobs or toilet seats

Correct Answer: Droplet spread

Question 3 of 5

All the following are clearly associated with acute episodes of asthma EXCEPT

A. emotional stress

B. elevated ozone concentrations

C. glaucoma therapy

D. alcohol

Correct Answer: glaucoma therapy

Question 4 of 5

A client has developed pellagra because of a lack of certain B vitamins. Which best describes the classification of the nutritional deficiency?

A. Relative risk factor

B. Agent factor

C. Environment factor

D. Host factor

Correct Answer: Agent factor

Question 5 of 5

What does the term 'effect modification' refer to?

A. A bias introduced by the study design

B. A variable that alters the direction or strength of the association between exposure and outcome

C. A confounding variable that is controlled for in the analysis

D. A random error in data collection

Correct Answer: A variable that alters the direction or strength of the association between exposure and outcome

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