This checkpoint tests Block A: what disease is, pathogens and how they cause disease, how disease spreads, disease in Australia, and the first line of defence.
This checkpoint assesses your understanding of Block A.
What disease is; infectious vs non-infectious; definitions and examples.
Pathogens: bacteria, viruses, fungi, protists, prions; how they cause harm.
Transmission routes: direct, indirect, airborne, vector-borne, waterborne.
Disease in Australia: epidemiology, outbreaks, Ross River virus, Q fever.
First line of defence: skin, mucous membranes, stomach acid, tears.
1. Which of the following is an infectious disease?
2. What is the main difference between infectious and non-infectious diseases?
3. Which pathogen is responsible for causing COVID-19?
4. Malaria is transmitted by:
5. Which of these is part of the body's first line of defence?
6. A student has a cut on their hand. Which first-line defence has been breached?
7. Ross River virus in Australia is primarily spread by:
8. Why can non-infectious diseases like type 2 diabetes not be caught from another person?
9. A food handler does not wash their hands and prepares a salad. Which transmission route is most likely?
10. A remote community has high rates of skin infections but low rates of influenza. Which explanation is most likely?
11. Define disease and explain the difference between infectious and non-infectious diseases. Give two examples of each. 4 MARKS
12. Explain how a pathogen such as influenza virus causes disease in the human body. Include how it enters, multiplies, and produces symptoms. 4 MARKS
13. Compare the first line of defence with the second and third lines. Explain why the first line is considered non-specific while the later lines are specific. 4 MARKS
Tick when you have finished all questions and reviewed your answers.