Vaccinations and medicines

• What do vaccinations help to prevent?

  They help to prevent diseases.
• How do vaccinations work to stop infections?

  They introduce harmless pathogens into the body.
• What happens to the pathogens after vaccination?

  They have no effect on their own.
• What do antigens trigger in the body?

  They trigger antibody production by white blood cells.
• What are memory cells?

  They are white blood cells that remember pathogens.
• What happens if the same pathogen infects you later?

  Memory cells produce antibodies quickly.
• How do antibodies help the body?

  They help reduce the likelihood of illness.
• What can you be vaccinated against?

  You can be vaccinated against measles virus.
• What are antibiotics used for?

  They are used to kill bacteria.
• How do antibiotics affect body cells?

  They kill bacteria without harming body cells.
• Where are many antibiotics produced?

  They are produced naturally by fungi and microbes.
• What do antibiotics NOT kill?

  They do not kill viruses.
• What is antibiotic resistance?

  Some bacteria are not killed by antibiotics.
• Why has antibiotic resistance increased?

  Improper use of antibiotics has contributed.
• What are antivirals used for?

  They are used to treat viral infections.
• What do antiseptics do?

  They destroy or inhibit microorganisms.
• Where are antiseptics used?

  They are used outside the body.
• What is the purpose of antiseptics?

  To prevent infection rather than treat it.
• What is the main idea behind the phrase "Prevention is better than cure"?

  • Emphasizes the importance of vaccinations
  • Highlights the role of antiseptics
  • Suggests that preventing disease is preferable to treating it
• Why did Basia not fall ill while Camian did?

  Basia was vaccinated, Camian was not.
• What is the purpose of the practical investigation mentioned?

  To study the effect of antibiotics on bacteria.
• What is the control disc used for in the practical investigation?

  To measure the growth of bacteria.
• Why is it important to investigate the growth of bacteria?

  To understand how antibiotics affect bacteria.