3.1.3 Bacterial Diseases

• Are bacteria unicellular or multicellular?

  Unicellular.
• True or false? All bacteria cause disease.

  False - only a small minority of bacteria cause disease. Lots of bacteria don't affect other organisms at all, while many others are actually helpful.
• How many times smaller are bacteria cells than animal or plant cells?

  100.
• What small proteins do bacteria release?

  Toxins.
• What do toxins do?

  Damage cells.
• What is salmonella?

  A bacterial disease spread by consuming contaminated food.
• What are the two foods most commonly infected with salmonella?

  Chicken and eggs.
• Why can many chickens in the UK not transmit salmonella bacteria?

  They are vaccinated against it.
• What are some symptoms of salmonella?

  Nausea, vomiting, diarrhoea, abdominal pain and fever.
• Salmonella symptoms normally pass in what amount of time if the person stays well hydrated?

  A week.
• What does STD stand for?

  Sexually Transmitted Disease.
• What does STI stand for?

  Sexually Transmitted Infection.
• What is gonorrhoea?

  An STD.
• How is gonorrhoea spread?

  Sexual contact e.g unprotected sex.
• What are some symptoms of gonorrhoea?

  Pain when urinating and thick yellow/green discharge from the vagina or penis.
• How can you prevent the spread of gonorrhoea?

  Use a condom and avoid unsafe sex.
• What is the treatment for gonorrhoea?

  Antibiotics e.g penicillin.