Flashcards in Pathogens Deck (16):
1
Epidemiology
Branch of medical science dealing with the transmission and control of disease
2
Pathogens
microbes (microscopic living organisms) or other agents that cause disease
3
Example of beneficial microbes
the symbiotic bacteria in digestive system of cattle and horses to help digest cellulose in roughage
4
Common types of pathogens
Bacteria
Viruses
Fungi
Prions
Protozoa
5
Bacteria
Single celled organisms that are prokaryotic
6
What are the 3 types of bacteria
-Cocci
-Bacilli
- Spirals
7
Symptoms of bacterial infections can include
-Fever
-Pain
-Swelling
-Vomiting
-Diarrhea
-Formation of pus
-Abortion
8
The usual treatment of bacteria
Antibiotics, but treatment may vary
9
Prions
Infectious particles (not cells) made form abnormally folded protein found on the surface of nerve cells
10
Why are prions hard to fight?
Highly resistant to heat, radiation, and disinfectants
11
What sicknesses can prions cause?
-Mad-cow disease
- Some forms of Alzheimer's
12
Viruses
Consists of a piece of genetic material (RNA) housed with in a protective coat. Not cells
13
How do viruses reproduce?
Hijacking cell of another organism (host) and get the cell to reproduce more viruses
14
Viruses are commonly associated with
-Skin
-Blood
-Liver
-Uterus
-Fetus
-Brain
-Lungs
-Stomach
-Intestines
15
Diagnosis of viruses
Done by:
-Virus isolation
-ELISA
-PCR testing (Blood testing)
16