Infection

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What is a microorganism?
Any organism too small to be seen by the naked eye.
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what is a pathogen?
Microorganisms that cause disease.
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What is infection?
The presence of microorganisms causing damage to body tissues.
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Microorganisms relationship with humans
SYMBIOSIS-benefits human and not harm the microorganism.
MUTALISM- benefits human and microorganisms
COMMENSALISM- benefits microorganims and not harm the human.
PATHOGENICITY- benefits micro-organisms and harms the human.
OPPORTUNISM- a benign microorgan
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PROCESS OF INFECTION
1. colonization
2.invasion
3. multiplication
4. spread
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CLINICAL INFECTIOUS DISEASE PROCESS
1. incubation period
2. prodromal stage
3. invasiom period
4. convalescence
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INCUBATION PERIOD
The interval between exposure to an infectious agent and the appearance of the first symptoms
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PRODROMAL STAGE
The appearance of initial symptoms which are often mild including feeling of discomfort and tiredness.
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INVASION PERIOD
The pathogen is multiplying rapidly, invading farther, affecting tissues at site of initial colonisation and other areas.
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CONVALESCENCE PERIOD
Indiviudals immune and inflammatory systems have in general successfully removed infectious agent.
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CLASSES OF INFECTIOUS MICROORGANISMS
1. bacterial infection
2. viral infection
3. fungal infection
4. parasitic and protozoal infection
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Other cards in this set

Card 2

Front

Microorganisms that cause disease.

Back

what is a pathogen?

Card 3

Front

The presence of microorganisms causing damage to body tissues.

Back

Preview of the back of card 3

Card 4

Front

SYMBIOSIS-benefits human and not harm the microorganism.
MUTALISM- benefits human and microorganisms
COMMENSALISM- benefits microorganims and not harm the human.
PATHOGENICITY- benefits micro-organisms and harms the human.
OPPORTUNISM- a benign microorgan

Back

Preview of the back of card 4

Card 5

Front

1. colonization
2.invasion
3. multiplication
4. spread

Back

Preview of the back of card 5
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