Biology Unit 2 Flashcards
1
Q
What is a Disease?
A
any condition that impairs the normal functioning of an organism
2
Q
Acute diseases
A
A term used to describe with a rapid onset, serve symptoms and brief duration.
3
Q
Chronic disease
A
A term used to descrive a disease of long duration involving very slow changes
4
Q
Non-Infectious diseases
A
- caused by genetic or lifestyle factors
- congenital; an inherited condition that occurs at or before births
- Acquired - occurs through lifestyle changes
5
Q
Infectious Diseases
A
Caused by cellular or non-cellular pathogens
6
Q
Cellular Pathogens
A
- Bacteria; prokaryotic organisms
- Fungi - eukaryotic organisms
- Protists - unicellular or colonial eukaryotic organisms
- Helminths - large macro-parasites parasitic worms.
7
Q
Non-Cellular Pathogens
A
- Viruses; consits of protein envelope surrounding nuclear material
- Prions; misfoled infectious proteins that have pathogenic properties
8
Q
A
