A nurse is examining the agent, host and environmental factors which can lead to disease. Which of the following models would the nurse most likely use?
Epidemiologic triangle
Health promotion
Natural history of disease
Levels of prevention
The Correct Answer is A
A. Epidemiologic triangle: The epidemiologic triangle is a public health model that examines three key components of disease transmission:
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Agent – The microorganism (bacteria, virus, fungus, etc.).
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Host – The person or animal that harbors the disease.
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Environment – External conditions that contribute to disease spread.
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B. Health promotion: The health promotion model focuses on behavioral and lifestyle changes to prevent illness rather than examining the direct causes of disease.
C. Natural history of disease: The natural history of disease describes how a disease progresses without intervention from the initial exposure to resolution or chronicity, but it does not specifically analyze the agent, host, and environment.
D. Levels of prevention: The levels of prevention (primary, secondary, tertiary) focus on preventing and managing disease, but they do not analyze the factors leading to disease transmission like the epidemiologic triangle does.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. "Having unprotected sex with someone who is infected spreads HIV." HIV is commonly transmitted through unprotected sexual contact with an infected person.
B. "I wouldn't sit next to someone with HIV." HIV is not transmitted through casual contact, such as sitting next to someone, hugging, or sharing food. This response reflects a misunderstanding and indicates a need for more education.
C. "Transfusions of blood products that are contaminated can spread HIV." Although rare in developed countries due to blood screening, contaminated blood transfusions can transmit HIV.
D. "Sharing needles when shooting up drugs spreads HIV." Sharing contaminated needles is a major risk factor for HIV transmission.
Correct Answer is A
Explanation
A. Epidemiologic triangle: The epidemiologic triangle is a public health model that examines three key components of disease transmission:
-
-
Agent – The microorganism (bacteria, virus, fungus, etc.).
-
Host – The person or animal that harbors the disease.
-
Environment – External conditions that contribute to disease spread.
-
B. Health promotion: The health promotion model focuses on behavioral and lifestyle changes to prevent illness rather than examining the direct causes of disease.
C. Natural history of disease: The natural history of disease describes how a disease progresses without intervention from the initial exposure to resolution or chronicity, but it does not specifically analyze the agent, host, and environment.
D. Levels of prevention: The levels of prevention (primary, secondary, tertiary) focus on preventing and managing disease, but they do not analyze the factors leading to disease transmission like the epidemiologic triangle does.
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