Drugs/Medication/Vaccines

• What is the definition of a vaccine?

  Dead of weakened form of the pathogen
• Features of painkillers?

  Drugs that relieve pain

  Don't kill pathogens

  Leave immune system to combat pathogens
• Feature of viruses?

  Antibiotics are not effective against viruses

  Viruses are difficult to kill because they live inside host cells
• What are antibiotics?

  Drugs that kill bacteria e.g. penicillin
• Why is it important to use the correct antibiotics?

  because bacteria can be resistant to some bitoics
• Why is it difficult to create drugs that kills viruses?

  because they live inside host cell
• Why is it important to not over use antibiotics?

  Because using too many antibiotics can lead to antiobiotics- resistant bacteria being naturally selected
• What do painkillers do?

  Reduce/Kill the pain e.g. paracetamol
• Features of Drugs

  -Plants produce chemical to protect themselves e.g. aspirin

  -Some drugs are extracted from microorganisms

  -Alexander Fleming identified Penicillin
• Where does aspirin originate from?

  From a Willow
• What is over the counter medication:

  these makes you feel better, they do not kill pathogens. e.g. paracetamol
• True of false do antibiotics ONLY kill bacteria in the body?

  True
• What do you give if someone is experiencing headache?

  Over the counter medication
• Why should someone with a flu take over the counter medication?

  because the flu is caused by a virus and antibiotics would only work on bacteria