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 B
Explanation
Choice A: A Client Who is Below the Age of 18
Medicare is primarily designed for individuals who are 65 years of age or older. However, there are exceptions for younger individuals with certain disabilities or specific conditions like End-Stage Renal Disease (ESRD) or Amyotrophic Lateral Sclerosis (ALS). Generally, children under the age of 18 are not eligible for Medicare unless they meet these specific criteria.
Choice B: A Client Who is Age 65 or Older
This is the correct answer. Medicare is a federal health insurance program primarily for people who are 65 years of age or older. It provides coverage for hospital care (Part A), medical services (Part B), and prescription drugs (Part D). Individuals who are 65 or older are automatically eligible for Medicare if they or their spouse have paid Medicare taxes for at least 10 years.
Choice C: A Client Whose Income is Below the Poverty Line
Medicare eligibility is not based on income level. Instead, it is primarily age-based (65 or older) or condition-based (certain disabilities, ESRD, or ALS). Individuals with low income may qualify for Medicaid, a separate program that provides health coverage for low-income individuals and families.
Choice D: A Client Who Does Not Have Any Other Kind of Health Insurance
Lack of other health insurance does not automatically qualify someone for Medicare. Eligibility for Medicare is based on age (65 or older) or specific medical conditions, not on the absence of other health insurance. Individuals without other health insurance may explore options like Medicaid or the Health Insurance Marketplace.
Correct Answer is A
Explanation
Choice A Reason:
An older adult couple living in a community where goods and services are within walking distance is likely to experience long-term economic stability due to reduced transportation costs and increased accessibility to essential services. This setup minimizes the need for a vehicle, which can be a significant financial burden, especially for those on a fixed income. Additionally, the proximity to services can enhance their quality of life and reduce healthcare costs by promoting physical activity and social engagement.
Choice B Reason:
A single parent of two children who uses ride-share services may face financial instability due to the high costs associated with frequent ride-share usage. While ride-share services provide flexibility and convenience, they can be expensive over time, especially for a single parent managing multiple responsibilities and expenses. This choice does not offer the same level of economic stability as living in a walkable community.
Choice C Reason:
A client who has diabetes mellitus and regularly relies upon a family member for transportation may experience economic instability due to the dependency on others for mobility. This reliance can limit their ability to access employment opportunities and essential services independently. Additionally, managing a chronic condition like diabetes can be financially burdensome due to ongoing medical expenses.
Choice D Reason:
A young family regularly using public transportation services to acquire goods and services may face challenges related to the reliability and availability of public transportation. While public transportation can be cost-effective, it may not always be convenient or accessible, especially for families with young children. This can impact their ability to maintain consistent employment and access essential services, potentially affecting their long-term economic stability.
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