The statistical study of human population, its size, structure and distribution is called as?

Appeared in: AIIMS Raipur NO - 2019 (Shift-2)

Explanation

Demography is the scientific and statistical study of human populations.
It specifically examines population size, structure (e.g., age and sex composition), and distribution (geographic spread).
The term originates from the Greek words 'demos' (meaning 'the people') and 'graphy' (meaning 'writing about or recording').
It also studies the dynamics of populations, such as changes due to births, deaths, and migration.

Option A: A survey is a data collection method or tool, not a field of study itself. It can be used within demography to gather data, but it is not the study itself.
Option B: Ecology is a broader field that studies the relationships and interactions between all living organisms (not just humans) and their physical environment.
Option D: Epidemiology is the study of the distribution and determinants of health, diseases, and injuries in human populations. While it uses demographic data, its primary focus is on health-related events, not the population structure itself.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Definition of Demography as background academic context rather than a clinical decision trigger.
Nurses and public health professionals use demographic data to plan and allocate resources for health services like immunization drives, maternal and child health programs, and hospital beds.
Understanding the age structure of a community helps predict its healthcare needs. For example, a community with a large elderly population will require more geriatric and chronic disease care.
Demographic trends, such as an increasing birth rate, signal the need for expanded pediatric and obstetric services.

How to Approach the Question

First, identify the key terms in the question: "statistical study," "human population," "size," "structure," and "distribution."
Recognize that the question is asking for the specific scientific term that encompasses all these elements.
Evaluate each option based on its definition.
Eliminate 'Survey' as it is a method, not a field of study.
Eliminate 'Ecology' as it is too broad and not specific to human populations.
Differentiate between 'Demography' and 'Epidemiology'. Note that epidemiology focuses on health/disease patterns, while demography focuses on the population's characteristics.

Concept Tested & Keywords

Concept Tested: Definition of Demography
Stem keywords: statistical study, human population, size, structure, distribution
Lead-in keywords: is called as
Negative lead-in flag: false

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