Disease and infection

• What is a communicable disease?

  a disease that is spread
• Name the 4 types of pathogens

  •virus

  •bacteria

  •fungi

  •protists
• What diseases are in the pathogen of viruses?

  •TMV

  •measles

  •HIV
• What diseases are in the pathogen bacteria? 


  •salmonella

  •gonorrhoea
• What diseases are in the pathogen fungi/protists?

  •rose black spot (F)

  •malaria(P)
• What is a pathogen?

  a microorganism that causes infectious disease
• Pathogens are spread by….

  •contact

  •water

  •air
• What do bacteria produce?

  Toxins that damage our tissues to make us feel ill
• what does a virus do To cause damage?

  Enters and reproduces in host cells causing cell damage
• Why are viruses not alive?

  They do not complete all of the 7 life processes
• what type of treatment does not work on viruses?


  ANTIBIOTICS
• rose black spot————>

  spread?

  symptoms?

  reduction of spread?

  treatment?

  • direct contact

  •blackspots on roses

  •remove the black spots

  •fungicide
• Salmonella———>

  spread?

  symptoms?

  reduction of spread?

  treatment?

  •contamination of food

  •sickness, abdominal cramps

  •wash hands before preparing food

  •antibiotics
• Gonorrhoea———->

  spread?

  symptoms?

  reduction of spread?

  treatment?

  •sexual contact

  •pain while urinating

  •use of condoms

  •antibiotics
• TMV———->

  spread?

  symptoms?

  reduction of spread?

  treatment?

  •direct contact

  •discolouration (yellowing)

  •isolate plants/ destroy them

  •no treatment
• HIV———->

  spread?

  symptoms?

  reduction of spread?

  treatment?

  •unsafe sex

  •mild flu

  •condoms

  •anti retro viral medication
• measles———->

  spread?

  symptoms?

  reduction of spread?

  treatment?

  •inhalation of water droplets

  •fever +rash

  •vaccinations

  •no treatment
• malaria———->

  spread?

  symptoms?

  reduction of spread?

  treatment?

  •vector(mosquito)

  •reocurring fever

  • clean swaps/mosquito nets • anti malarial drugs