Infectious Diseases Flashcards
what is a communicable disease?
a spreadable disease
what is a non communicable disease?
a disease which isn’t spreadable
how are communicable diseases spread
pathogens
what’s a downside to having a defective immune system?
more likely to suffer from infectious disease
what are pathogens
microorganisms that cause infectious disease
what happens when bacteria enters the body
they reproduce rapidly then release toxins
how can viruses reproduce
in a host cell
what happens when viruses enter a host cell
it invaded then reproduces which is damaging
how are pathogens spread
air
water
direct contact
how can the spread of pathogens be reduced
basic hygiene
clean drinking water
reduce direct contact
vaccination
what are measles and HIV
viruses
can viruses be killed with antibiotics
no
what is the symptoms of measles
fever
skin rash
can cause damage in breathing and brain
can be fatal
how is measles spread
droplets through coughing or sneezing
how can you reduce measles being spread
most children are vaccinated
what are the symptoms of HIV
flu
immune system becomes damaged
develop cancer
what can be given to people with HIV
antiretroviral drug which stops virus from multiplying (not a cure)
how is HIV transmitted
exchange of fluids
unprotected sex or sharing needles
what are examples of bacterial diseases
salmonella and gonnorhoea
are bacterial disease communicable or non communicable
communicable - so can be killed using antibiotics
how to you get salmonella
ingesting infected food
what causes the symptoms of salmonella
toxins
what are the symptoms of salmonella
fever cramps vomiting and diarrhoea
how is salmonella trying to be prevented
all chickens are vaccinated
