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 D
Explanation
A. Anger: While some individuals may express anger, it is not the most common or expected reaction in older adults post-disaster.
B. Violence: Violent behavior is not a typical or expected emotional reaction, especially in elderly individuals.
C. Regression: More common in children than older adults.
D. Fear of loss of independence: Older adults often fear becoming dependent after a disaster due to injuries, displacement, or disruption of support systems.
Correct Answer is D
Explanation
A. Set up immunization clinics: This is a public health intervention done post-disaster, not typically a first responder task.
B. Complete a needs assessment of the community: Needs assessments are done later in disaster response or recovery, not in the immediate response phase.
C. Provide all the medical care for disaster victims: This is not realistic or expected of a single nurse; disaster care is a team effort.
D. Assist in triaging disaster victims: Triage is a critical role for nurses in the immediate aftermath of a disaster and falls under the first responder responsibilities.
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