1.4 Pathogens and Disease All the questions on Pathogens and Disease topic. Some from BBC Bitesize 3.0 / 5 based on 1 rating ? BiologyMicrobes and diseaseGCSEAQA Created by: Charlotte RogersonCreated on: 17-09-12 20:02 What is a 'pathogen' A disease causing microorganism, usually a Bacteria or Virus. 1 of 9 What is the main problem with Bacteria? They produce Toxins. 2 of 9 What is the main problems with Viruses? They damage the host cell when they reproduce. 3 of 9 What is one of the functions of a White Blood Cells? To ingest and destroy the pathogens. 4 of 9 What is the function of antibodies? A function of antibodies is to lock on to antigens 5 of 9 How do antibiotics work? They stop the bacteria from reproducing. 6 of 9 What can vaccination involve? Vaccination can involve injecting an inactive form of the pathogen to stimulate immunity 7 of 9 It is important to use antibiotics carefully because: Dangerous strains of resistant bacteria may develop by natural selection 8 of 9 Which scientist told hospital staff to wash their hands? Semmelweiss 9 of 9
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