A protozoan called Plasmodium, which feeds on human red blood cells.
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What is a vector?
An insect that carries and spreads a disease but is not affected by it.
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What vector carries malaria?
Mosquito's
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What is a parasite?
An organism that feeds on another living organism, causing it harm.
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What is the organism called that parasites feed on?
A host
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What can decrease the risk of lung cancer?
Not smoking
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What can decrease the risk of skin cancer?
Using sunscreen
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What is the difference between benign and malignant tumors?
Benign tumor cells, such as in warts, divide slowly and are harmless. Cancers are malignant tumours: the cells display uncontrolled growth and may spread.
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What is a pathogen?
A disease-causing organism.
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What is the drug called that is used to treat bacteria and fungi?
Antibiotics
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What is the drug called that is used to treat viruses?
Antivirals
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What is the difference between the effect of antibiotics and antivirals?
An antibiotic destroys a pathogen; an antiviral drug slows down the pathogen's development.
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What are the methods of testing new treatments before human trials are used?
Animal testing, human tissue testing and computer models.
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What is a placebo?
A harmless pill that is used as a comparison in drug testing so the effect of the new drug can be assessed.
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What is a blind trial?
Where the patient doesn't know if they are recieving the new drug or a placebo.
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What is a double blind trial?
Where neither the patient or the doctor know which treatment is being used. This type of trial avoids a 'feel good factor' and a biased opinion.
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Other cards in this set
Card 2
Front
What is a vector?
Back
An insect that carries and spreads a disease but is not affected by it.
Card 3
Front
What vector carries malaria?
Back
Card 4
Front
What is a parasite?
Back
Card 5
Front
What is the organism called that parasites feed on?
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