Resistant Bacteria (AQA GCSE Biology): Flashcards
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Practise the cards
15 cards from this deck
What are resistant bacteria?
What are resistant bacteria?
Strains evolved to survive antibiotics once effective against them
Why bacteria mutate frequently
Why bacteria mutate frequently
Rapid reproduction allows frequent genetic mutations
What can bacterial mutations create?
What can bacterial mutations create?
Genes that confer antibiotic resistance
Effect of antibiotics on resistant bacteria?
Effect of antibiotics on resistant bacteria?
Bacteria with resistance genes survive
Effect of antibiotics on non-resistant bacteria?
Effect of antibiotics on non-resistant bacteria?
They die off
How resistance genes spread
How resistance genes spread
Resistant bacteria pass genes to offspring
Why resistant diseases spread quickly
Why resistant diseases spread quickly
Population not immune to new strains
MRSA full name
MRSA full name
Methicillin-resistant Staphylococcus aureus
MRSA antibiotic resistance level
MRSA antibiotic resistance level
Resistant to multiple antibiotics (superbug)
Where MRSA spreads easily
Where MRSA spreads easily
In hospitals
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
Eliminate all bacteria, reduce resistance mutation chance
Risk of antibiotic use in livestock
Risk of antibiotic use in livestock
Resistant bacteria transfer to humans via food
Hand hygiene importance in hospitals
Hand hygiene importance in hospitals
Staff/visitors washing hands reduces transmission
Challenge in combating resistant bacteria
Challenge in combating resistant bacteria
New antibiotic development is slow and costly