Unit 1: Pathogens And Lifestyle Flashcards
What is disease?
It occurs when an infection leads to recognisable symptoms in the host
What is a pathogen?
A microorganism that can cause disease
What is bacteria?
A type of prokaryotic cell that live in symbiotic and parasitic relationships with plants and animals
What is a virus?
A small infectious agent that only replicates in the cells of others
What is correlation?
Where one variable affects another
What’s a causal relationship?
When one factor affects another factor
What is risk?
The measure of the probability that damage to health will occur as a result of a hazard
What is epidemiology?
The study of the effects of health and disease in defined populations
What is transmission?
The transfer of the pathogen from one individual to another
What is infection?
When a pathogen gains entry into the host and colonises its tissues
