Infection Flashcards 0.0 / 5 ? NursingAnatomy and PhysiologyUniversityNone Created by: helpme08Created on: 19-10-22 15:11 Microorganism Organism too small to be seen by the naked eye 1 of 26 Pathogen Microorganisms that cause disease 2 of 26 Infection Presence of microorganisms causing damage to body tissues 3 of 26 Virus minute particle capable of replicating but ONLY WITHIN LIVING CELLS 4 of 26 Fungus Simple organism that lacks green pigment chlorophyll 5 of 26 Symbiosis relationship with humans Benefits humans and does not harm the microorganism 6 of 26 Mutualism benefits human and harms microorganism 7 of 26 Commensalism benefits microorganism and does not harm the human 8 of 26 Pathogenicity Benefits the microorganism and harms the human 9 of 26 Opportunism Benign microorganism that becomes pathogenic because of decreased host resistance 10 of 26 Colonisation Invasion of microorganisms into the host without host awareness 11 of 26 Invasion invade surrounding tissues/other sites 12 of 26 Proliferation Bacteria/Pathogens replicate 13 of 26 Infectious Agent An agent that infects the host such as bacteria, viruses, parasites First stage in chain of infection 14 of 26 Reservoir place in which the infectious agent grows (examples- soil, water, humans, animals) 15 of 26 Vectors Insects 16 of 26 Portal of entry How pathogens enter the host e.g., mouth, cuts and eyes 17 of 26 Means of transmission How the pathogen gets around e.g., direct contact or through droplets 18 of 26 Portal of exit How pathogens leave e.g., through mouth (vomit, saliva), cuts in skin (blood) 19 of 26 Susceptible host Vulnerable person e.g., babies, elderly, children, those with weakened immune system ANYONE 20 of 26 Endocytosis Process by which cells take in substances from outside of the cell by engulfing them in a vesicle 21 of 26 virulence factors Molecules that assist the bacterium colonise the host at the cellular level 22 of 26 Incubation period Interval between exposure to an infectious agent and the appearance of first symptoms 23 of 26 Prodromal period The appearance of initial symptoms- mild such as discomfort and tiredness 24 of 26 Invasion period Pathogen multiplying rapidly- affecting tissues at side of initial colonisation and other areas 25 of 26 Convalescence period Individual's immune and inflammatory systems to remove the infectious agent 26 of 26
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