Antibiotics and painkillers (AQA GCSE Biology Combined Science): Flashcards
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What do painkillers do?
What do painkillers do?
Reduce symptoms but don't kill germs causing disease
What do antibiotics do?
What do antibiotics do?
Destroy harmful bacteria in the body
What type of infections do antibiotics work on?
What type of infections do antibiotics work on?
Bacterial infections only, not viral
Why are different antibiotics needed?
Why are different antibiotics needed?
Each type of bacteria requires a specific antibiotic
Example of first antibiotic discovered
Example of first antibiotic discovered
Penicillin
What is antibiotic resistance?
What is antibiotic resistance?
When bacteria develop the ability to survive antibiotic treatment
Example of antibiotic-resistant bacteria
Example of antibiotic-resistant bacteria
MRSA
Why is antibiotic resistance dangerous?
Why is antibiotic resistance dangerous?
Infections spread quickly, new antibiotics take years to develop
What process explains how antibiotic resistance develops?
What process explains how antibiotic resistance develops?
Natural selection
Why can't antibiotics treat viruses?
Why can't antibiotics treat viruses?
Viruses live inside body cells; killing them would harm cells