Disease Flashcards
Define disease
A disorder of structure or function in a human, animal or plant, especially one that produces specific symptoms or affects a specific location and is not simply a direct result of physical injury
What causes infectious diseases?
Pathogens and can be transmitted between hosts
Pathogen
A biological agent that causes diseases
Micro organism
Microscopic single celled oraganism
Host
A person infected with a pathogen
Transmission
The movement of a pathogen between hosts
Vector
A biological agent that transmits a pathogen but is not necessarily harmed by it
Non infectious disease
They are the result of a bodily process not working correctly
What causes non-infectious dieseases
Genetic, lifestyle and environmental factors
Name three types of infectious diseases
Ebola, whooping cough and influenza
Name three types of non-infectious diseases
Autism, lung cancer and asthma
What are the types of pathogens?
Bacteria, prions, fungi, viruses, macroscopic parasites and protozoa
What are the 3 shapes of bacteria?
Cocci(round), bacilli(rods) and spirilla(spirals)
What an example of a disease caused by cocci?
Golden staph
Disease caused by virus
Conjunctivitis
Protozoa
Malaria