Topic 3 - Infection and Response Flashcards
1
Q
What is Communicable disease?
A
A disease that can spread
2
Q
How do Communicable disease spread?
A
Water, air, direct contact
3
Q
What is bacteria?
A
- Very small cells
- Produce toxins that damage your cells
4
Q
What is virus?
A
- Not cells
-They use body cells as ‘hosts’ and replicate inside of them - Antibiotics don’t work on them
5
Q
What is Fungi?
A
Can be single celled or multi-cellular with a body like structure called a hyphae
6
Q
What is a protist?
A
- Eukaryotic cells, mostly single celled
- Some are parasites, live on/in an organism, transferred by a vector
7
Q
How to prevent disease?
A
- Being hygienic
- Destroying vectors
- Isolating Infected
- Vaccines
8
Q
What are the 3 lines of defence when fighting disease?
A
1st - Skin
2nd - White Blood cells (Phagocytes)
3rd - White blood cells (Lymphocytes)
9
Q
How a vaccination works?
A
Vaccination stimulates the immune system to recognize and fight specific pathogens without causing disease.
10
Q
What is a placebo?
A
Fake version of a drug, used to remove psychological effects of the medication
11
Q
A
