A school nurse identifies 15 new students with positive tuberculin tests among the 500 at-risk students fested. Which is the rate per 1,000 with new positive tests?

3/1,000.

30/1,000.

1.7/1,000.

15/1,000.

Answer and Explanation

The Correct Answer is B

A) 3/1,000:
To calculate the rate per 1,000, you divide the number of new positive tests by the total number of students tested, then multiply by 1,000. For 15 new positive tests among 500 students, the rate is (15/500) * 1,000 = 30/1,000. Thus, 3/1,000 is incorrect.

B) 30/1,000:
The correct calculation for the rate per 1,000 is determined by dividing the number of new positive tests (15) by the total number of students tested (500) and then multiplying by 1,000. Therefore, (15/500) * 1,000 = 30/1,000. This rate accurately reflects the proportion of students with positive tests per 1,000.

C) 1.7/1,000:
The rate of 1.7/1,000 would result from incorrect calculations. Using the correct formula, the rate per 1,000 should be 30/1,000.

D) 15/1,000:
The rate of 15/1,000 suggests that there are 15 positive tests per 1,000 students, which does not reflect the actual number of new positive tests (15) among 500 students. The correct rate calculation yields 30/1,000, not 15/1,000.

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Correct Answer is A

Explanation

A. Low income families living in cramped quarters: Hepatitis A is primarily spread through the fecal-oral route, often through contaminated food or water. Individuals living in overcrowded or unsanitary conditions are at a higher risk due to the increased likelihood of exposure to contaminated sources and poor hygiene practices. Thus, low-income families living in cramped quarters are particularly vulnerable to hepatitis A.

B. Sexually active persons with multiple partners: While hepatitis B and C are more commonly associated with sexual transmission, hepatitis A is less commonly spread through sexual activity. Hepatitis A transmission is more directly related to poor sanitation and hygiene rather than sexual behavior alone.

C. IV drug users who share needles: Intravenous drug users who share needles are at high risk for hepatitis B and C, not hepatitis A. Hepatitis A is not typically transmitted through blood but rather through contaminated food and water.

D. Those who have recently received a blood transfusion: Hepatitis A is not transmitted through blood transfusions. Hepatitis B and C are the types of hepatitis associated with blood transfusions. Hepatitis A is spread through ingestion of contaminated food or water.

A. Immunize all children under age 5 in the one hundred family aggregate. B. Immunize all members of the one hundred families. C. Quarantine the one hundred family aggregate. D. Quarantine all family members of the child with whooping cough.

Correct Answer is D

Explanation

A) Immunize all children under age 5 in the one hundred family aggregate:
Immunization would be a standard preventive measure to control the spread of whooping cough, but in this case, the immediate focus should be on managing the current outbreak. Ensuring that the child with whooping cough and their close contacts are managed appropriately is crucial, rather than preemptively immunizing all children in the aggregate without addressing the existing case.

B) Immunize all members of the one hundred families:
While immunization is essential in preventing whooping cough, implementing this measure without considering the specific outbreak context and the families' religious beliefs might not be feasible or immediately effective. Additionally, managing the outbreak and containing its spread is the immediate priority.

C) Quarantine the one hundred family aggregate:
Quarantining an entire aggregate of families, especially when the infection is present in only one documented case, would be excessive and likely impractical. Quarantine measures should be targeted to those directly exposed or infected to prevent further spread.

D) Quarantine all family members of the child with whooping cough:
Quarantining all family members of the child with whooping cough is the most appropriate immediate intervention. This targeted quarantine helps prevent the spread of the infection within the affected household and controls the outbreak. It addresses the specific exposure and containment needs of the situation effectively.

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A school nurse identifies 15 new students with positive tuberculin tests among the 500 at-risk students fested. Which is the rate per 1,000 with new positive tests?

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Naxlex Comprehensive Predictor Exams

Community health nurses are particularly concerned with the spread of communicable diseases such as hepatitis A. Which group of Individuals should the nurse identify as being at greatest risk for contracting this type of hepatitis?

Correct Answer is A

Explanation

One hundred families in a community refuse to have their children immunized because of religious beliefs. When one documented case of whooping cough occurs within this aggregate, which intervention should the nurse implement?

Correct Answer is D

Explanation

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