What is the interaction between an agent, a host, and the environment called?
Web of causality
Risk
Natural history of disease
Epidemiologic triangle
The Correct Answer is D
A. Web of causality: Describes complex, multifactorial relationships among multiple causes of disease - broader than a triangle model.
B. Risk: Refers to the probability of disease or injury, not the model of interaction between agent, host, and environment.
C. Natural history of disease: Describes the progression of a disease over time, not its causative interaction components.
D. Epidemiologic triangle: A classic model used to explain disease causation involving the interaction between agent, host, and environment.
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Related Questions
Correct Answer is B
Explanation
A. Media interest in protecting the public: Media may play a role in promoting awareness, but laws and requirements come from policy decisions.
B. Healthy public policy: This is a classic example of a public safety law developed to reduce injury and mortality - a core element of healthy public policy.
C. Unilateral action: Implies action taken by one individual or body without collaboration, which is not the case in public law development.
D. Participation in health: Refers more to community engagement or individual involvement in their own care - not legislation.
Correct Answer is B
Explanation
A. Individual: This refers to direct one-on-one interventions, which is not the case in a public campaign.
B. Community: The campaign is designed to affect the community as a whole, involving leaders and broad public outreach - this is characteristic of the community system.
C. Family: Family-focused interventions target households or small family units, not entire communities.
D. Aggregate: Aggregates refer to subpopulations with common traits (e.g., pregnant teens, smokers), not general community-wide efforts.
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