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1. What is the first stage of the process of infection
- Spread
- Multiplication
- Colonization
- Invasion
1 of 5
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2. Do microbial cells outnumber human cells and if so to what ratio?
- 20:1
- 5:1
- 10:1
- No they do not outnumber human cells
3. Does Symbiosis .....
- Benefit microorganism and does not harm human
- benefit humans and does not harm the microorganism
- Benefit both human and microorganism
- benefit the microorganism and harms the human
4. What is stage 3 in the process of infection
- Colonization
- Spread
- Multiplication
- Invasion
5. What are infectious microorganisms indirectly transmitted by
- vectors
- exposure
- contact
- radiation
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