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Biology GCSE > B6 Preventing and treating disease > Flashcards

B6 Preventing and treating disease Flashcards

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1
Q

how do vaccinations work?

A

inject harmless amount of pathogen into body
stimulate white blood cells to produce antibodies
immune system can now counter virus

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2
Q

what is herd immunity?

A

large portion of the population is immune to a pathogen, the pathogen spread is reduced

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3
Q

how do painkillers work?

A

treat the symptoms but dont kill the pathogen

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4
Q

what do antibiotics do?

A

cure bacterial disease by killing the bacterial pathogen

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5
Q

can antibodies kill viruses?

A

no, viruses reproduce inside human cells

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Biology GCSE (10 decks)

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