Causes of Disease - Pathogens 0.0 / 5 ? BiologyHealth, illness and diseaseASAQA Created by: itsjosephine_xCreated on: 25-05-16 13:33 What is Health? A State of complete physical, mental and social well being. 1 of 13 What is Disease? A description of symptoms which suggest a malfunction of the body or mind. 2 of 13 What is a Pathogen? A microorganism that causes disease. 3 of 13 What is an Epidemic? Widespead Outbreak of Disease. 4 of 13 What is a Pandemic? Epidemics That Spread Internationally 5 of 13 What are the three types of microorganisms that spread disease? Bacteria, virus & Fungi 6 of 13 Name the four external defences that a microorganism must pass through? Skin, Respiratory System, Digestive System, Respiratry System & Urino-Genital System 7 of 13 Name three internal defecmes that microorganism must pass through? Mucus, Enzymes & Stomach Acid 8 of 13 What four things to pathogens cause when they reproduce in tissue and body fluids? Physical damage to cell structure, Disruption of cell motabolism and structure, Release of toxins & Stimulation of the body's immune system. 9 of 13 What is the time period between infection and appearence of signs and symptoms called? Incubation Period 10 of 13 What are the three stypes of toxinx that bacterial pathogens produce? Exotoxins, Eschericha coli & Clostridium tetani 11 of 13 What are Endotoxins? Toxins released when a bacterial cell dies 12 of 13 What are the five ways in which pathogens can infect an indiuvidual? Air-Borune Infection, Water-Bourne Infection, Food-Bourne Infection, Direct Contact Infection & Animal vectors 13 of 13
Comments
No comments have yet been made