Learning Intention 10 Flashcards
To know how to distinguish between infectious and non-infectious disease using examples
1
Q
What is disease
A
any change in the body that impairs the normal function of an individual. It can be infectious or non-infectious.
2
Q
What is a pathogen
A
an organism that causes disease to its host
3
Q
Examples of a pathogen
A
- viruses (e.g hapatitis)
- bacteria (e.g salmonella)
- fungi (e.g ringworm)
4
Q
How can diease be spread
A
- sneezing
-coughing
-physical contact with an infected organism - vectors (insects carrying diease)
- contaminated objects
- contaminated water supply
5
Q
What is an infectious diease
A
a disease caused by a pathogen that can be passed between organisms. For example, influenza
6
Q
What is a host
A
the infected organism
7
Q
What happens when a pathogen infects a host
A
they damage and impair the function of the cells in the body, disrupting homeostasis
8
Q
What is a non-infectious diesease
A
a disease that cannot be spread from one person to another and is not caused by a pathogen. For example, cancer
