Infectious Diseases Flashcards
what is bacteria?
a singular/unicellular organism
is bacteria prokaryotic, eukaryotic or both?
prokaryotic
what bacteria, found in the human body, is beneficial?
natural flora
is bacteria pathogenic, non-pathogenic or both?
both
how can harmful bacteria be treated?
antibiotics
give 3 different shapes of bacteria
1) cocus
2) bacillus
3) corkscrew’s form
what are viruses?
microscopic parasites that are much smaller than bacteria
where do viruses reproduce?
inside hot cells
what happens to a virus once it has reproduced / made thousands of copies of itself?
it is passed into the bloodstream and airways
give 5 diseases caused by viruses
1) AIDS
2) rubella
3) mumps
4) influenza
5) chicken pox
how do bacteria and viruses cause disease?
they invade and multiply within the host by evading the immune system
is fungus a prokaryotic or eukaryotic microorganism?
eukaryotic
where does fungus grow?
in warm, moist conditions
give 3 things that make a human more likely to get a fungal infection
1) diabetes
2) weak immune system
3) regularly taking antibiotics
give 2 common fungal infections
1) ringworm
2) athletes foot
what is protozoa?
unicellular eukaryotic organisms
give 2 protozoa infections
1) malaria
2) african sleeping sickness
what are parasites?
an animal or plant that lives inside another animal or plant
why are parasites so dangerous?
cause disease
give 2 things parasites do
1) use the (human) body to live
2) use nutrients from our food
give 1 parasite
tapeworm
