Causes of Disease - Pathogens

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What is Health?
A State of complete physical, mental and social well being.
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What is Disease?
A description of symptoms which suggest a malfunction of the body or mind.
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What is a Pathogen?
A microorganism that causes disease.
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What is an Epidemic?
Widespead Outbreak of Disease.
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What is a Pandemic?
Epidemics That Spread Internationally
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What are the three types of microorganisms that spread disease?
Bacteria, virus & Fungi
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Name the four external defences that a microorganism must pass through?
Skin, Respiratory System, Digestive System, Respiratry System & Urino-Genital System
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Name three internal defecmes that microorganism must pass through?
Mucus, Enzymes & Stomach Acid
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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.
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What is the time period between infection and appearence of signs and symptoms called?
Incubation Period
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What are the three stypes of toxinx that bacterial pathogens produce?
Exotoxins, Eschericha coli & Clostridium tetani
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What are Endotoxins?
Toxins released when a bacterial cell dies
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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
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Other cards in this set

Card 2

Front

A description of symptoms which suggest a malfunction of the body or mind.

Back

What is Disease?

Card 3

Front

A microorganism that causes disease.

Back

Preview of the back of card 3

Card 4

Front

Widespead Outbreak of Disease.

Back

Preview of the back of card 4

Card 5

Front

Epidemics That Spread Internationally

Back

Preview of the back of card 5
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