Introducing small quantities of inactive or dead forms of a pathogen into the body to stimulate the white blood cells to produce antibodies.
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Because the pathogen is dead or inactive it cant lead to a disease in patient true or false
True
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Why is it helpful
If the same pathogen re enters body the white blood cells are stimulated to respond quickly to produce correct antibodies and prevent infection
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At the same time what happens
White blood cell goes thrpugh mitosis to produce copies of itself
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These copies of white blood cell can stay in blood for...
Decades
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What are antibiotics
Medicines that help cure bacterial disease by killing infective bacteria inside body
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Give an example
Penicillin
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Its important that specific nacteria should be treated by specific antibodies. True?
True
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The use of antibiotics has greatly reduced...
Deaths from infectious bacterial diseases
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What is a problem
There are many strains resistant to antibiotics
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Can antibiotics kill VIRAL pathogens
NO
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What do medicines and painkillers do
Treat symptoms of dieases but do not kill the pathogen
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Why is it difficult to develop drugs that kill viruses
Because they can also damage tissue and viruses live inside and reproduce
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Herd immunity
Its important that lots of people are vaccinated as if enpugh people are vaccinated it can also protect the unavaccinated people as they cannot catch it from anyome else
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Other cards in this set
Card 2
Front
Because the pathogen is dead or inactive it cant lead to a disease in patient true or false
Back
True
Card 3
Front
Why is it helpful
Back
Card 4
Front
At the same time what happens
Back
Card 5
Front
These copies of white blood cell can stay in blood for...
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