CB5 Communicable Diseases Essential Flashcards
What is a communicable disease?
A disease caused by pathogens.
What is a non-communicable disease?
A disease that is not caused by pathogens but a lifestyle or genetic factor.
What is a pathogen?
A microorganism that causes disease.
What are the 4 types of pathogen?
Bacteria, fungi, viruses, protoctists
What are 4 examples of diseases caused by pathogenic bacteria?
Tuberculosis (TB), cholera, salmonella, Gonorrhoea
What is an example of a disease caused by pathogenic protists?
Malaria
What is an example of a disease caused by pathogenic fungi?
Chalara dieback
What is a vector?
An organism used by a pathogen to gain entry to a host.
What are 2 examples of vectors?
Mosquito (malaria), herbivores (chalara dieback)
What are 2 examples of diseases caused by pathogenic viruses?
HIV / AIDS, Ebola
What are 3 physical barriers to infection in humans?
Skin, cilia / mucus, blood clots/scabs
What are 2 chemical defences to infection in humans?
mucus, stomach acid