NURSING EXAM QUESTIONS
COMMUNITY HEALTH NURSING
Question
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The epidemiologic triad consists of MAN-DISEASE AGENT-ENVIRONMENT. The following are related to the environment, except:
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Flora and fauna
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Climate
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Population distribution
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Immutable factors
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Explanation:
Detailed explanation-1: -Three major types of epidemiologic studies are cohort, case-control, and cross-sectional studies (study designs are discussed in more detail in IOM, 2000).
Detailed explanation-2: -The agent within the epidemiological triad is microbes that cause disease to occur. When considering infectious diseases, the agent is an external microorganism that needs to be present in order for the disease to occur. These pathogens include viruses, bacteria, fungi, parasites, and other microorganisms.
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