Resistant Bacteria (AQA GCSE Biology Combined Science): Flashcards
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Practise the cards
10 cards from this deck
What are resistant bacteria?
What are resistant bacteria?
Strains evolved to survive antibiotics that once worked
Why bacteria mutate often
Why bacteria mutate often
Rapid reproduction allows frequent genetic mutations
Selection pressure from antibiotics
Selection pressure from antibiotics
Resistant bacteria survive, non-resistant die off
How resistance genes spread
How resistance genes spread
Resistant bacteria reproduce & pass genes to offspring
MRSA stands for
MRSA stands for
Methicillin-resistant Staphylococcus aureus
When to avoid prescribing antibiotics
When to avoid prescribing antibiotics
For viral infections or non-serious conditions
Why complete full antibiotic course
Why complete full antibiotic course
Ensures all bacteria eliminated, reduces resistant mutations
Why limit antibiotics in livestock
Why limit antibiotics in livestock
Overuse creates resistant bacteria transferring to humans
Hand hygiene to slow spread
Hand hygiene to slow spread
Medical staff & visitors wash hands regularly
Main challenge in combatting resistant bacteria
Main challenge in combatting resistant bacteria
New antibiotic development is slow and costly