Biology diseases Flashcards
what are the types of bacterial diseases?
salmonella and gonorrhoea
how can bacterial diseases be treated?
penicillin or rarer and more expensive antibiotics for resistant strains
what is bacteria?
bacteria is single-celled organisms and are 100x smaller than our cells and can reproduce by themselves
what is the symptoms of salmonella?
fever, stomach cramps, vomiting and diarrhoea caused by the toxins that bacteria produces.
what is the prevention for salmonella?
vaccinating chickens and hygiene when preparing food
what is the symptoms of gonorrhoea?
thick yellow-green discharge from penis or vagina and pain when urinating
what is the prevention for gonorrhoea?
avoiding unsafe sex and barrier methods of contraception
what is a virus?
.unliving organisms that are 10,000x smaller than animal
cells
.cant reproduce by themselves
.when they get inside a cell they use the cells machinery to make loads of copies of themselves and burst the cell and take over another cell
.they cant exist on their own
what are the 3 viral diseases?
.HIV=(virus)spread by unsafe sex or exchanging bodily fluids(causes a weak immune system)
.measles= spread by infected person’s cough or sneezes
.tabacco mosaic virus
what are the symptoms of measles?
red rash across body and fever
what are the symptoms of HIV? AND how it can be treated?
.fever
.tiredness
.aches
THEN FEEL BETTER HOWEVER INSIDE BODY THE VIRUS IS DOING MORE AND MORE DAMAGE TO IMUNE SYSTEM AND IT BECOMES WEAK LEADING TO UNUSUAL INFECTION AND POTENTIALLY CANCER BUT CAN BE TREATED BY ANTI-RETROVIRAL DRUGS.
symptoms of tabacco mosaic virus?
.mosaic pattern on leaves of plants
.parts of leaves becomes discoloured
How can HIV be treated?
anti-retroviral drugs e.g. (TAF)
how can measles be prevented?
vaccination and isolation of infected indivdual
