Infectious and Non-Infectious Diseases › Revision notes
Infectious and Non-Infectious Diseases — Revision notes
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Quick recap
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Brain dump
Before you look at anything else, write down everything you can remember about this lesson: key words, facts, examples. Spelling doesn't matter. Then see which of the 12 key terms you remembered.
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Ones you missed. Read these, then try again tomorrow:
Key terms
- Disease
- A persistent deviation from a person's normal appearance, body function, or behaviour
- Infectious disease
- A disease caused by a pathogen that can be passed from one organism to another
- Non-infectious disease
- A disease that cannot be spread between people, typically caused by lifestyle factors or genetics
- Pathogen
- A microorganism (such as a virus, bacterium, fungus, or protist) that causes disease
- Antibiotics
- Drugs that target and destroy bacteria specifically, ineffective against viruses
- Risk factors
- Conditions or behaviours (such as smoking, high blood pressure, or obesity) that significantly increase the likelihood of developing a non-infectious disease
- Type two diabetes
- A non-infectious disease where a person's body struggles to control blood sugar levels, linked to lifestyle and obesity
- Measles
- An infectious disease caused by a virus, spreading through droplets from coughs and sneezes, preventable by the MMR vaccine
- Tuberculosis (TB)
- An infectious disease caused by bacteria, mainly affecting the lungs, treatable with antibiotics
- Potato blight
- An infectious plant disease caused by a fungus, responsible for widespread famine in 1840s Ireland
- Fungicide
- A chemical that targets and kills fungal infections, literally meaning "fungus killer"
- MMR vaccine
- A vaccine that protects against measles, mumps, and rubella
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What this lesson covers
How well do you know each one? Be honest: red means go back over it.
- Define disease and explain the difference between infectious and non-infectious diseases
- Name the four types of pathogen and give an example of a disease each one causes
- Describe how measles spreads and how vaccination prevents it
- Explain why antibiotics work against tuberculosis but not against viruses
- Describe risk factors for non-infectious diseases such as type 2 diabetes and heart disease
- Explain why non-infectious diseases affect some groups of people more than others
Test yourself
Cover the answer, say it out loud, then check the full quiz on the lesson page.
- Which of the following is a pathogen?
- Tuberculosis is caused by which type of pathogen?
- A person has high BMI, excessive thirst, and slow-healing wounds. What disease?
Topic quiz
13 questions on this topic only — not mixed with anything else, one at a time.
Question 1 of 13
Score: 0 out of 13
Spelling challenge
Read the definition, then type the correct spelling of the term. Uses the same terms as above.
Score: 0/0