BI-307
Antibiotic resistance
Biology · Secondary 3 · Medium · Antibiotic resistance
A patient is prescribed a 7-day course of antibiotics but stops taking them after 3 days when he feels better. How can this behaviour contribute to the development of antibiotic-resistant bacteria?
- All bacteria are killed quickly, so none can become resistant.
- Only non-resistant bacteria survive and pass on non-resistance genes.
- Some resistant bacteria survive and reproduce, spreading resistance genes.
- The antibiotic changes human cells, which then become resistant to bacteria.
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