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Introduction to Epidemiology

Science

Fundamentals of disease tracking and public health

health science biology

15 Questions Medium Ages 5+ Jul 17, 2026

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This study set covers Science through 15 practice questions. Fundamentals of disease tracking and public health Every question includes the correct answer so you can learn as you go — pick any format above to get started.

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Browse all 15 questions from the Introduction to Epidemiology study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 What does the term 'epidemiology' refer to?

A The study of how diseases spread in populations
B The study of deep space planets
C The study of how to build robots
D The study of ancient mountain ranges

2 What is a 'vector' in the context of disease transmission?

A A type of liquid medication
B A living organism that carries a pathogen to a host
C A measurement of body temperature
D A laboratory test for vitamins

3 Which of these is considered a common way that germs can spread from person to person?

A Through telepathy
B By shaking hands
C By watching television
D Through reading books

4 What is the primary role of a vaccine?

A To help the immune system recognize and fight specific germs
B To provide extra vitamins to the body
C To cure all known types of stomach aches
D To change a person's blood type

5 What is the name for a disease that spreads quickly over a very large area or many countries?

A A local habit
B A pandemic
C A healthy lifestyle
D A weather pattern

6 How do public health officials help stop the spread of a contagious illness?

A By encouraging people to gather in large crowds
B By ignoring the illness
C By promoting handwashing and hygiene
D By closing all schools forever

7 Which of the following is an example of a pathogen?

A A clean glass of water
B A bacterium
C A healthy apple
D A piece of paper

8 What is 'quarantine' used for in public health?

A To reward people for being healthy
B To separate people who might be sick to prevent spreading infection
C To study the history of medicine
D To test new types of playground equipment

9 Which of these behaviors helps prevent the spread of germs through the air?

A Sneezing into your elbow
B Sharing used tissues
C Standing very close to someone coughing
D Touching your eyes without washing hands

10 What is a 'host' in the study of diseases?

A An animal or person in which a parasite or pathogen lives
B A special type of medical camera
C A person who writes books about science
D The person who cleans a hospital room

11 Which of these is a common strategy used to track how many people are sick in a region?

A Counting the number of sunny days
B Asking people to guess their health
C Collecting and analyzing health data
D Measuring the speed of the wind

12 What are antibiotics used to treat?

A Viral colds
B Bacterial infections
C Broken bones
D Minor sunburns

13 Why is clean drinking water important for preventing disease?

A Because it makes people run faster
B Because it prevents water-borne illnesses
C Because it makes food taste better
D Because it helps plants grow taller

14 What is an 'outbreak' in epidemiology?

A A sudden rise in the number of cases of a disease
B A type of medical equipment
C The discovery of a new planet
D A yearly school celebration

15 Which of these best describes 'hygiene'?

A A form of exercise
B Practices that help maintain health and prevent disease
C A type of scientific calculation
D The study of ancient fossils

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