Epidemiology studies which of the following to understand the causes of health and disease?
Individuals
Families
Populations
Groups
The Correct Answer is C
A. Individuals: While clinical medicine focuses on individuals, epidemiology focuses on trends and factors affecting groups.
B. Families: Family studies may be done in genetic research, but epidemiology examines broader health patterns.
C. Populations: Epidemiology is defined as the study of the distribution and determinants of health and disease in populations.
D. Groups: Although somewhat close, “groups” is a vague term. Populations is the more accurate and appropriate terminology.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Qualitative: Interviewing and observing behavior generate descriptive, non-numeric data, which is qualitative in nature.
B. Quantitative: Quantitative data involves numerical information (e.g., statistics or counts), which is not directly described here.
C. Focus groups: This is a method of data collection, not a type of data. The scenario describes interviews, not group discussions.
D. Participant observation: This is also a method of data collection, and while the nurse observes behavior, the question focuses on the type of data- which is qualitative.
Correct Answer is A
Explanation
A. Reestablishing sanitary barriers and focusing on basic needs: This is the top priority post-disaster - clean water, food, shelter, and sanitation are essential to prevent further health deterioration.
B. Cleaning up the environment: Important but secondary - basic survival needs come first.
C. Bringing in as many aid workers and nurses as possible: Workforce support is important but must be organized and structured to avoid chaos.
D. Handling the stress reaction of the victims: Addressing emotional and mental health is crucial, but not the first priority during the response phase.
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