Diseases Flashcards
diseases
a particular abnormal condition that negatively affects the structure or function of all or part of an organism
pathogen
a bacteria, virus or other
microorganism which can cause disease
congenital disease
a disease that
an individual is born with
acquired disease
a disease that
the individual was not born
with, but develops overtime
communicable disease
a disease caused
by a pathogen as is considered
contagious.
non-communicable disease
disease which
is not caused by a pathogen
and is not contagious.
modes of transmission
direct and indirect
direct transmission
Direct contact
Droplet spread
indirect transmission
Airborne or via a Vector
(mechanical or
biological)
what are noncommunicable diseases also known as
also known as chronic diseases, tend to be of long duration and are the result of a combination of genetic, physiological,
environmental and behavioural factors.
Examples of noncommunicable diseases
Cardiovascular disease (heart and brain)
Cancers
Respiratory diseases (Asthma, COPD)
Metabolic diseases (Diabetes, blood pressure, arthritis)
Why are viruses not classified as living?
They are not made out of cells, they don’t grow, and they can’t make their own energy.
Viruses require a host cell to replicate. Without a living host cell, the virus is unable to replicate.
What is the name given to a disease causing microbes?
pathogens
2 diseases caused by bacteria
Tuberculosis and tetanus