B1 - Infectious Disease

These flashcards will help you to memorise the key facts about infectious disease. See also my "Preventing and Treating Infectious Disease" flashcards for more vital information on this subsection of B1.

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What are pathogens?
Microorganisms that cause disease.
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What are the four types of pathogen?
Fungi, bacteria, viruses, protozoa.
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What type of pathogen causes athlete's foot?
Fungi
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What type of pathogen causes dysentary?
Protozoa
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What type of pathogen causes cholera?
Bacteria
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What type of pathogen causes flu?
Viruses
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What is malaria caused by?
Protozoa
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What creature can carry malaria?
Mosquitos
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What is a parasite?
An organism that lives off another organism, often causing it harm.
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What is a host?
The organism that is harmed by a parasite.
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What is a vector?
An organism that carries a disease without becoming infected.
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How can we reduce the spread of malaria?
Any of the following; target water where mosquitos are with insecticides, drain the water, fish can be added to the water to eat the larvae, or people can use mosquito nets/insecticide creams or sprays.
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Name the 3 steps a white blood cell takes to destroy pathogens.
1. consumes and digests them. 2. produces antitoxins. 3. produces antibodies.
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What are the unique molecules on a pathogen's surface called?
Antigens
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What system destroys pathogens in the body?
The immune system
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What is the job of antitoxins?
To counter the effects of any poisons produced by pathogen.
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What is the job of antibodies?
To attach onto and kill invading cells. They are specific to that type of pathogen.
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What are the white blood cells that stay around in the blood after fighting the pathogen called?
Memory cells
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What is the job of memory cells?
To remember *********** a pathogen so that if it invades again, it is quicker to defeat.
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Other cards in this set

Card 2

Front

What are the four types of pathogen?

Back

Fungi, bacteria, viruses, protozoa.

Card 3

Front

What type of pathogen causes athlete's foot?

Back

Preview of the front of card 3

Card 4

Front

What type of pathogen causes dysentary?

Back

Preview of the front of card 4

Card 5

Front

What type of pathogen causes cholera?

Back

Preview of the front of card 5
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