Infection and response Flashcards
1
Q
What is the drug development process?
A
- Research
- Laboratory trials
- Trials on healthy volunteers
- Trials on ill people
- Release and review
2
Q
What do phagocytes do?
A
Engulf pathogens
3
Q
What do antibodies do?
A
- Mark pathogens for destruction
- Destroy pathogens
- Stick pathogens together
4
Q
How do bacteria reproduce?
A
Binary fission - Grow then divide in two
5
Q
How do viruses reproduce?
A
- Enter cells
- Take control of nucleus
- Make cell create copies of virus
- Break open cell membrane and infect other cells
6
Q
Name the 4 types of pathogen
A
Bacteria, Protozoa, Viruses, Fungi
7
Q
How are pathogens identified?
A
Proteins called antigens on their surface
8
Q
Name limiting factors of bacterial growth
A
Space, food, oxygen, toxins they produced, natural body defences
9
Q
What is malaria caused by?
A
A protozoa
10
Q
What are the conditions required for fungal growth?
A
Damp, warmth, darkness
