Which of the following component of the epidemiologic triangle is the bacteria identified as that is responsible for developing a vaginal infection?
Agent
Agent and host
Environment
Host
The Correct Answer is A
parasite) that causes disease. In this case, the bacteria responsible for a vaginal infection is the infectious agent.
B. Agent and Host: While the host is the individual affected by the infection, the question specifically asks about the bacteria, which falls solely under the agent category.
C. Environment: The environment in the epidemiologic triangle refers to external conditions that contribute to disease transmission, such as hygiene, climate, and healthcare practices. The bacteria itself is not an environmental factor.
D. Host: The host refers to the person or animal that harbors the infection, not the bacteria itself.
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Related Questions
Correct Answer is A
Explanation
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.
Correct Answer is B
Explanation
A. Hepatitis B: Hepatitis B is a bloodborne disease, primarily spread through contact with infected bodily fluids, not through a vector.
B. Rocky Mountain spotted fever: Rocky Mountain spotted fever is a vector-borne disease transmitted by tick bites. Vectors are living organisms, such as mosquitoes or ticks, that carry infectious agents.
C. E. coli O157:H7: E. coli is a foodborne illness that spreads through contaminated food or water, not via a vector.
D. Anthrax: Anthrax is a bacterial infection that spreads through direct contact, ingestion, or inhalation of spores, not through a vector.
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