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1. Which of the following best describes the principle of epidemiology?
a) The study of disease transmission and prevention
b) The collection and analysis of health data
c) The evaluation of healthcare interventions
d) The assessment of disease burden in a population
Answer: a) The study of disease transmission and prevention.
Rationale: Epidemiology focuses on understanding the patterns, causes,
and effects of diseases in specific populations, and aims to prevent and
control their occurrence.
2. What is the primary purpose of surveillance in epidemiology?
a) To identify individuals at risk of disease
b) To monitor changes in disease patterns
c) To develop new treatments for diseases
d) To calculate disease prevalence rates
Answer: b) To monitor changes in disease patterns.
Rationale: Surveillance is the continuous monitoring of disease
occurrence and health events to provide relevant, accurate, and timely
data for action-oriented public health decision-making.
3. Which of the following is a measure of the likelihood of a person
developing a specific disease over a defined period?
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