infection and response- LT Flashcards
what is a pathogen
a microorganism that causes disease
what are the 4 types of pathogen
bacteria
virus
protist
fungi
what are the ways pathogens could spread?
air
water
direct contact
what type of pathogen is salmonella come from?
bacteria
how is salmonella spread?
infected/poisonous food
what are the symptoms of salmonella?
vomiting
diarrhoea
what damage does salmonella cause?
dehydration
what type of pathogen is gonorrhoea come from?
bacteria
how is gonorrhoea spread
contact with sexual fluids
what are the symptoms of gonorrhoea
thick green discharge from penis or vagina
pain when urinating
bleeding
what damage does gonorrhoea cause
blindness
what is a vaccination include
contains small amounts of dead or inactive pathogen
what is the purpose of vaccinating
allows your immune system to develop antibodies so any further infections can be dealt with quickly
what are the advantages of vaccination
herd immunity
small pox wiped out
what is the disadvantges of vaccination
doesnt always work
painful/side effects
what is the purpose of antibiotics
to kill bacteria as it can divide meaning mutations can develop quickly
what happens to the non resistant bacteria
killed off
what happens to resistant bacteria
survive
what 3 things do all drugs need to be tested for?
toxicity
efficacy
dose
what is toxicity
how much can be taken before side effects get really bad
what is efficacy
how efficiently it works compared to what is already on the market
what is dose
how much you need to take