A community health nurse is educating a newly licensed nurse about sensitivity and specificity using a two-by-two table. Which of the following statements by the newly licensed nurse indicates an understanding of the table related to false negatives?
False negatives are represented in the table cell that indicates the person does not have the disease and the test does not indicate disease.
False negatives are represented in the table cell that indicates the person has the disease and the test indicates the person has the disease.
False negatives are represented in the table cell that indicates the person has the disease and the test does not indicate disease.
False negatives are represented in the table cell that indicates the person does not have the disease and the test indicates disease.
The Correct Answer is C
Choice A Reason:
This statement is incorrect because it describes a true negative, not a false negative. A true negative occurs when the test correctly identifies that a person does not have the disease. In a two-by-two table, this is represented in the cell where both the actual status and the test result indicate no disease.
Choice B Reason:
This statement is incorrect because it describes a true positive, not a false negative. A true positive occurs when the test correctly identifies that a person has the disease. In a two-by-two table, this is represented in the cell where both the actual status and the test result indicate the presence of the disease.
Choice C Reason:
This statement is correct because it accurately describes a false negative. A false negative occurs when the test incorrectly indicates that a person does not have the disease when, in fact, they do. In a two-by-two table, this is represented in the cell where the actual status indicates the presence of the disease, but the test result indicates no disease.
Choice D Reason:
This statement is incorrect because it describes a false positive, not a false negative. A false positive occurs when the test incorrectly indicates that a person has the disease when, in fact, they do not. In a two-by-two table, this is represented in the cell where the actual status indicates no disease, but the test result indicates the presence of the disease.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A Reason:
The Tuskegee Syphilis Study does not provide guidelines for the recruitment of Black and African-American research participants. Instead, it is a historical example of unethical research practices that led to significant harm and mistrust within the Black community. The study involved misleading and withholding treatment from Black men with syphilis, which has had long-lasting effects on their willingness to participate in research.
Choice B Reason:
The Tuskegee Syphilis Study did not demonstrate a correlation between coronary artery disease and syphilis. The study was focused solely on the natural progression of untreated syphilis in Black men. It did not investigate or establish any links to coronary artery disease. This choice is incorrect as it misrepresents the purpose and findings of the study.
Choice C Reason:
The Tuskegee Syphilis Study did not exclude Black men; in fact, it specifically targeted Black men for participation. The study involved 600 Black men, 399 of whom had syphilis and 201 who did not. The men were misled about the nature of the study and were not provided with adequate treatment, even after penicillin became the standard treatment for syphilis. This choice is incorrect as it inaccurately describes the study's participant selection.
Choice D Reason:
The Tuskegee Syphilis Study is indeed a source of distrust and a barrier to Black clients participating in research studies. The unethical treatment of the participants, including the lack of informed consent and the withholding of effective treatment, has led to a deep-seated mistrust of medical research within the Black community. This mistrust can make it challenging to recruit Black participants for research studies, as they may fear similar exploitation and harm.
Correct Answer is A
Explanation
Choice A Reason:
My community is struggling with high morbidity due to heart health, so this initiative has merit. This statement indicates a clear understanding of the Million Hearts initiative, which aims to prevent heart attacks and strokes by improving cardiovascular health. Recognizing the high morbidity due to heart health issues in the community aligns with the initiative's goals, making it a suitable and beneficial program to implement.
Choice B Reason:
These initiative strategies are still in the experimental stage and have questionable merit in practice. This statement is incorrect because the Million Hearts initiative is a well-established program with proven strategies to reduce cardiovascular disease. It is not in the experimental stage and has demonstrated effectiveness in various communities.
Choice C Reason:
It is a local initiative and should not be used outside my state. This statement is incorrect as the Million Hearts initiative is a national program in the United States, designed to be implemented across different states and communities. It is not restricted to any specific locality and can be adapted to meet the needs of various populations.
Choice D Reason:
I will need to get a doctor's order or directive from the community health lead before considering outside initiatives. While collaboration with healthcare providers and community leaders is important, this statement does not reflect an understanding of the initiative itself. The Million Hearts initiative can be implemented by various stakeholders, including nurses, without requiring a specific directive from a doctor or community health lead.
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