Resistant bacteria

• What should you be able to describe by the end of the video?

  How bacteria become resistant to antibiotics
• Why do bacteria evolve rapidly?

  They can reproduce every 30 minutes
• When did doctors begin to treat bacterial diseases with antibiotics?

  In the 1940s
• What is the effect of antibiotics on bacteria?

  They kill bacteria
• What is one common strain of antibiotic-resistant bacteria?

  MRSA
• How does antibiotic resistance occur in bacteria?

  Through genetic variation and mutations
• What happens to bacteria when an antibiotic is used?

  All bacteria are killed except resistant ones
• Why does the resistant strain of bacteria spread?

  People are not immune and no treatment exists
• What are three ways to reduce antibiotic resistance?

  • Avoid inappropriate antibiotic prescriptions
  • Complete the full course of antibiotics
  • Restrict antibiotic use in farming
• Why is it important to complete a course of antibiotics?

  To ensure all bacteria are killed
• What is a challenge in developing new antibiotics?

  It takes a long time and is expensive
• Why is it unlikely to keep up with antibiotic-resistant bacteria?

  New resistant bacteria emerge constantly
• Where can you find questions on antibiotic resistance?

  In the revision workbook