B1 - Infectious Diseases

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  • Created by: Rachelcfx
  • Created on: 26-04-16 20:38
What are infectious diseases caused by?
Pathogens.
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What are pathogens?
Microorganisms that cause disease.
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What are four types of pathogens? What diseases can each cause?
Fungi (Athlete's foot), Bacteria (Cholera), Viruses (Flu), Protozoa (Dysentery).
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What are symptoms of an infectious disease caused by?
Cell damage, toxins.
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What is malaria caused by?
Protozoan.
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A protozoan is a...
parasite.
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The mosquitos are...
vectors.
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What does being a vector mean?
They carry the disease without getting it themselves.
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Your immune system deals with...
Pathogens.
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What part of your immune system is most important?
White blood cells.
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Explain how white blood cells work...
White blood cells travel around in your blood and crawl into every part of you looking for pathogens.
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What are white blood cells three lines of attack?
1) Consuming 2) Producing antitoxins 3) Producing antibodies
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How do white blood cells consume pathogens?
Engulf and digest cells.
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How do white blood cells produce antitoxins?
Antitoxins counter the effect of poisons.
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How do white blood cells produce antibodies?
WBC come across a foreign antigen, produce proteins which kill cells. Antibodies reproduce and flow around body to kill all similar bacteria.
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Other cards in this set

Card 2

Front

What are pathogens?

Back

Microorganisms that cause disease.

Card 3

Front

What are four types of pathogens? What diseases can each cause?

Back

Preview of the front of card 3

Card 4

Front

What are symptoms of an infectious disease caused by?

Back

Preview of the front of card 4

Card 5

Front

What is malaria caused by?

Back

Preview of the front of card 5
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