Lesson 1 (Part 1) Flashcards
Infection
The process of infecting
Infectious disease
Are disorders caused by organisms, such as bacteria, viruses, fungi or parasites
Hospital acquired infection (HAI)
Is an infection that is acquired in a hospital or other health care facility
Pathogen
A bacterium, virus, or other microorganism that can cause disease
Host
An animal or plant in which a parasite or commensal organism lives
Microbe
A microorganism, especially a bacterium causing disease or fermentation
Pandemic
Prevalent of a disease over a whole country or the world
Epidemic
A widespread occurrence of an infectious disease in a community at a particular time
What are 4 examples of infectious microorganisms?
- Bacteria
- Viruses
- Fungi
- Parasites
Bacteria
Are single celled organisms that are located everywhere that are necessary for our bodies and dont tend to cause a lot of problems for us
What type of environment do bacteria live in?
A narrow type
- needs to be certain range of sun, heat, moisture
- if taken out for long periods of time they will die
What do viruses need to survive?
A host
- cant function on their own
What do viruses use?
RNA
- no DNA
- too small
Where do fungi grow? (2)
- In dark places
2. Moist places
What is an example of fungi?
- Ringworm (the worst)
- Athletes foot
- Mushrooms