Summary Active Recall Questions

Non-specific human defence systems against disease

 What does non-specific mean?
 How does the skin play a role?
 What about the eyes?
 How might pathogens enter through the skin?
 How does the nose play a role?
 What does the trachea do? Bronchi?
 What are ciliated cells?
 What are goblet cells?
 What does the stomach do?
 Which of the above are chemical? Physical?
 What’s the difference between red blood cells and white blood cells?
 Name two types of white blood cell?
 What happens if pathogens cross the first line of defence?
 What is the role of the second line of defence?
 What are the 4 steps of phagocytosis?
 Is phagocytosis nonspecific or specific?




Lymphocytes

 What are lymphocytes?
 What do they recognise?
 What are antigens?
 What do they produce?
 What does foreign mean?
 What do the antibodies do to the pathogens?
 Can pathogens produce toxins?
 What are antitoxins?
 Are antibodies and antitoxins specific? What does this mean