Antibiotics & Painkillers (AQA GCSE Biology): Flashcards
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Practise the cards
14 cards from this deck
Definition of antibiotics
Definition of antibiotics
Medicines that kill bacterial pathogens without harming body cells
Why antibiotics can't kill viruses
Why antibiotics can't kill viruses
Viruses use body cells to reproduce; drugs would harm body tissue
What painkillers do
What painkillers do
Treat symptoms of disease, not the cause
Example of a painkiller
Example of a painkiller
Aspirin
Example of an antibiotic
Example of an antibiotic
Penicillin
Forms antibiotics can be taken
Forms antibiotics can be taken
Pill, syrup, or directly into bloodstream
Why is receiving the correct antibiotic important?
Why is receiving the correct antibiotic important?
Different antibiotics are effective against different bacteria types
How have antibiotics affected deaths from bacterial diseases?
How have antibiotics affected deaths from bacterial diseases?
Decreased the number of deaths
Main concern about antibiotics
Main concern about antibiotics
Bacteria becoming resistant to antibiotics
How bacteria become resistant to antibiotics
How bacteria become resistant to antibiotics
Mutations during reproduction stop antibiotics killing them
What happens to non-resistant bacteria
What happens to non-resistant bacteria
They die when exposed to antibiotics
What happens to resistant bacteria
What happens to resistant bacteria
Survive, reproduce, and increase in population
One way to prevent antibiotic resistance
One way to prevent antibiotic resistance
Avoid overusing antibiotics
Why should you finish courses of antibiotics?
Why should you finish courses of antibiotics?
To kill all bacteria and prevent resistance developing