Communicable diseases Flashcards
What is a pathogen
A microorganism that causes a disease
What are two types of pathogens
Viruses
Bacteria
What are communicable diseases
Diseases caused by pathogens
What is the lifecycle for pathogens
They infect a host, reproduce themselves/replicate if it is a virus, spread from their host
Types of transmissions
Direct contact Water Air Unhygienic food preparation Vector (organism that can spread a disease)
Two types of bacterial diseases
Gonorrhoea
Salmonella
How to decrease the spread of diseases
Serlising water
food/personal hygiene
Vaccination
Contraception
Give examples of non communicable diseases
Cancer
Diabetes
Heart disease
If cells grow out of control what happens
A tumour forms
What do vaccines alllow in the body
a dead form of the disease causing pathogen to enter the body
What are the two types of tumours
Benign
Malignant
What are the characteristics of a benign tumour
Grows slowly
Easily removed
