infection and response part 1 Flashcards
Antibiotics only treat what type of infection
bacterial
Why won’t a doctor prescribe antibiotics for viral infections
They don’t work.
Symptoms include…
fever, muscle ache, head ache, cold
What can be used to relieve symptoms
painkillers and steroids
What do the pathogens create that make us feel ill
toxins
How do white blood cells (phagocytes) get rid of pathogens
they engulf them and digest them
what is white blood cells ‘working’ called
phagocytosis
What do the white blood cells, lymphocytes, do?
identify the antigen on the pathogen and make the specific antibody to destroy them.
What do wbc release to neutralize the effect of the toxin?
they release specific antitoxins
Symptoms of measles include..
fever and red skin rash
How’s measles spread
inhaling droplets containing the virus (sneezes and coughs)
How can measles be controlled
vaccinating young children
HIv is spread by
sexual contact of exchange of bodily fluid
How does HIV need to be controlled
Antiretroviral drugs
When does late stage HIV or AIDS occur
when the body can no longerdeal with other infections`
what does HIV do
attacks and weakens immune system
Salmonella is spread by…
bacteria
Symptoms of salmonella include…
fever, abdominal cramps, diarrhoea and vomiting
how is salmonella controlled
chickens are viccinated
gororrhoea is spread by
bacteria
symptoms of gonorrhoea
thick yellow or green discharge and pain while urinating
gonorrhoea controlled with
antibiotics and barrier methods
What are pathogens?
They are micro organisms that cause infectious disease.
What do pathogens infect and how are they spread?
Animals and plants and through water, air or direct contact.
