Topic 3 Infection And Response Flashcards
1
Q
What is health?
A
The state of physical and mental well being
2
Q
What does communicable mean?
A
Infectious - can be spread
3
Q
What are pathogens?
A
Microorganisms that cause infectious disease
4
Q
What are the 4 different types of pathogens?
A
- viruses
- protists
- bacteria
- fungi
5
Q
How do bacteria make us ill?
A
- reproduce rapidly inside the body
- produce toxins (poisons) that damage tissues and make us feel ill
6
Q
What are bacteria?
A
Very small living cells
7
Q
What are viruses not?
A
Cells
8
Q
How do viruses reproduce and make us ill?
A
- live and reproduce inside cells, causing cell damage
9
Q
What are the 5 ways pathogens are spread?
A
- in the air
- in water
- by direct contact
- by vectors
- unhygienic food preparation
10
Q
What are 4 ways the spread of pathogens can be reduced/prevented?
A
- washing hands
- using condoms
- isolation
- vaccines
11
Q
What are 3 viral diseases?
A
- measles
- HIV
- Tobacco mosaic virus (TMV)
12
Q
What are the 2 symptoms of measles?
A
- fever
- red skin rash
13
Q
How is measles spread?
A
By inhalation of droplets from sneezes and coughs
14
Q
Why are most young children vaccinated against measles?
A
Can be fatal, if complications arise
15
Q
What are the initial symptoms of HIV?
A
Flu-like illness
