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 C

Explanation

A. Glaucoma:
Glaucoma is generally a concern for older adults rather than preschool-aged children. Screening for glaucoma typically starts later in life when the risk for this condition increases.

B. Red light reflex:
The red light reflex test is used primarily in infants and very young children to screen for conditions such as cataracts and retinoblastoma. While important, it is not usually the primary focus of annual screenings in preschool settings, which typically emphasize visual acuity.

C. Visual acuity:
Visual acuity screening is crucial for preschool-aged children to identify any issues with vision that could affect their development and learning. It helps detect problems like amblyopia (lazy eye) or refractive errors that need early intervention.

D. Conjunctivitis:
Conjunctivitis, or pink eye, is a common condition but is not typically part of routine annual eye health screenings. It is more relevant to address conjunctivitis as it arises rather than as part of an annual screening program.

A. Review the previous school nurse's anecdotal documents. B. Obtain morbidity and mortality data for the geographic area. C. Talk with teachers about their concerns for the students. D. Discuss with the Parent/Teacher Association (PTA) board about their perception of school events.

Correct Answer is B

Explanation

A. Review the previous school nurse's anecdotal documents:
While reviewing past documents may provide some context or historical insights, anecdotal evidence is subjective and may not offer a comprehensive or objective validation of current findings.

B. Obtain morbidity and mortality data for the geographic area:
Morbidity and mortality data offer objective, quantifiable information about health conditions and outcomes in the community. This data helps validate and supplement the observations from a windshield survey by providing concrete evidence on health trends, disease prevalence, and outcomes in the area.

C. Talk with teachers about their concerns for the students:
Teachers’ perspectives can provide valuable insights into student health and well-being, but this method is subjective and may not provide the objective validation needed to corroborate findings from a windshield survey.

D. Discuss with the Parent/Teacher Association (PTA) board about their perception of school events:
The PTA board’s perceptions can offer useful information about community and school events, but their feedback is subjective and may not provide the objective data needed to validate the findings of a windshield survey.

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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

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