Communicable Disease 3 - Bacteria

This lesson covers:

  1. How bacteria cause disease by producing toxins 
  2. Examples of 'bacterial diseases'
  3. The symptoms, prevention methods, and treatments, of bacterial disease

The terms STD and STI both mean basically the same thing. 


STD - Sexually Transmitted Disease 

 STI   - Sexually Transmitted Infection

Tuberculosis (TB) - key information


  1. Pathogen - Mycobacterium tuberculosis bacterium
  2. Transmission - airborne, through droplets released when infected people cough
  3. Symptoms - cough, weight loss, fever, fatigue, lung damage
  4. Treatment - long-term antibiotics
  5. Prevention - TB vaccine (BCG), good ventilation and hygiene, and isolation of infected patients

Are bacteria unicellular (made of a single cell) or multicellular (made of many cells)?

Unicellular 

Multicellular 

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True or false? All bacteria cause disease.

True

False

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Are bacteria larger or smaller than animal and plant cells? 

Smaller

Larger

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Bacteria release small proteins called _________. These can damage our cells and are responsible for many of the symptoms of bacterial diseases. 

Haemoglobin 

Receptors 

Toxins

Antibodies 

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What is the treatment for gonorrhoea? 

Vitamin supplements 

Immunosuppressant medication 

Antibiotics such as penicillin 

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