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ATI RN · ATI Community Health · Public Health Foundations

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

In 2017 in a place populated by 50000 inhabitants there were the following numbers of injuries according to causes and deaths resulting from those injuries: The formula for the calculation of mortality rate per 100,000 resulting from violence is:

A. 5 / 50000 x 100000 = 10.

B. 25 / 50000 x 100000 = 50.

C. 5 / 25 x 100000 = 20000.

D. 5 / 40 x 100000 = 12500.

Expert Explanatory Rationale

Correct Answer: 5 / 50000 x 100000 = 10.

Question 2 of 5

Which of the following agencies has the most influence on the health and welfare of US citizens?

A. Agency for Healthcare Research and Quality (AHRQ)

B. Centers for Disease Control and Prevention (CDC)

C. US Department of Health and Human Services (USDHHS)

D. World Health Organization (WHO)

Expert Explanatory Rationale

Correct Answer: US Department of Health and Human Services (USDHHS)

Question 3 of 5

A population-based screening of breast cancer was performed using mammography. The sensitivity of the diagnostic tool was 90%, and its specificity was 95%. As a result it can be estimated that in the examined population:

A. 5% of the screening participants have a false positive result.

B. 10% of the screening participants have a true positive result.

C. 10% of the screening participants have a true negative result.

D. 95% of the screening participants have a true positive result.

Expert Explanatory Rationale

Correct Answer: 5% of the screening participants have a false positive result.

Question 4 of 5

Which action describes a role of the nurse in public health?

A. Improving individual outcomes

B. Addressing racism in a community

C. Performing a family assessment

D. Recommending policies to prevent health problems

Expert Explanatory Rationale

Correct Answer: Recommending policies to prevent health problems

Question 5 of 5

Which of the following risk factors are conducive to injuries and accidents (especially traffic ones)? 1) drugs; 2) alcohol abuse; 3) dangerous car driving; 4) failure to use seatbelts; 5) low physical activity.

A. 1,2,3.

B. 1,2,3,4.

C. 1,3,4,5.

D. 2,3,4,5.

Expert Explanatory Rationale

Correct Answer: 1,2,3,4.

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