Resistant Bacteria (OCR GCSE Biology A (Gateway Science Suite)): Flashcards
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Resistant bacteria definition
Resistant bacteria definition
Strains that evolved to survive exposure to antibiotics
Why do bacteria mutate frequently
Why do bacteria mutate frequently
Reproduce quickly, allowing frequent mutations
Effect of antibiotic selection pressure
Effect of antibiotic selection pressure
Resistant bacteria survive, non-resistant die
How resistance genes spread
How resistance genes spread
Resistant bacteria pass genes to offspring
MRSA full name
MRSA full name
Methicillin-resistant Staphylococcus aureus
MRSA characteristics
MRSA characteristics
Superbug resistant to multiple antibiotics
Where is MRSA most problematic
Where is MRSA most problematic
Hospitals
When should antibiotics be avoided
When should antibiotics be avoided
Viral infections or non-serious conditions
Why must patients complete antibiotic courses
Why must patients complete antibiotic courses
Eliminates all bacteria, reduces resistant strains
Antibiotic use in livestock strategy
Antibiotic use in livestock strategy
Limit to essential cases only
Hand hygiene to prevent spread
Hand hygiene to prevent spread
Medical staff/visitors wash hands regularly
Protective clothing strategy
Protective clothing strategy
Disposable or regularly sterilised clothing
Antibiotic development challenge
Antibiotic development challenge
Slow and costly process
Why resistant strains spread quickly
Why resistant strains spread quickly
Population not immune, limited treatments available