B14 drugs Flashcards

1
Q

define a drug

A
  • any substance taken into the body
  • that modifies or affects chemical reactions in the body
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2
Q

describe the use of antibiotics

A
  • treat bacterial infections
  • kill bacteria or stop them from reproducing
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3
Q

describe the effects of antibiotics on viruses

A

do not affect viruses

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4
Q

what can reduce effectiveness of antibiotics

A
  • some bacteria are resistant
  • using antibiotics when not essential can aid development of resistant bacteria eg MRSA
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