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