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Related Flashcards
Cards In This Set
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What causes disease?
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They can be: Inherited, Caused by materials in the environment, some are produced by agents
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How are Infectious Diseases transmitted?
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Coughing, Sneezing and physical contact, infected animals, infected water or food
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Disease
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A change that is not an injury that disrupts normal bodily functions
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Pathogen
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Disease causing agents
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Germ theory of disease
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Infectious diseases are caused by microorganism/germs
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Koch's postulates
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1. Pathogens can always be found in a sick body and not in the body of a healthy one2. Grown in pure culture and isolated in a laboratory3. Pathogens should cause the same disease from host to host4. Injected pathogen should be identical to the original pathogen in the original host re-isolated from it
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Toxin
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Poisons that cause illness by disrupting bodily functions
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Vector
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Animals that carry disease causing organisms from person to person
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Antibiotic
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Compounds that kill bacteria without harming the cells of humans or animals.
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