Other questions in this quiz

2. what is antigenic variation

  • flu
  • vaccine
  • when pathogens change their surface antigens
  • when pathogens change their surface antibodies

3. what are antigens

  • monosaccharides
  • molecules found on the surface of cells
  • antibodies
  • molecules found in cells

4. what is the name of any organism that causes disease

  • microorganism
  • pathogen
  • bacteria
  • virus

5. how do pathogens enter the body

  • gas exchange system, skin, digestive system
  • a cut
  • gas exchange system, nose, ears, mouth
  • skin
  • ears, eyes, nose, mouth


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