Describe briefly the importance of the lymph nodes in relation to immunity

Describe briefly the role of dendritic cells in relation to immunity

Why may a peanut allergy not be very common in the developing world?

Why is it not practical to have a million lymphocytes for each disease?

Why are the cells of our adaptive immune system able to recognise millions of different antigens? What is a possible problem with this?

Pathogens target various compartments of the body which require different host defence mechanisms for eradication. What defence mechanisms are used for pathogens that target the blood, lymph and interstitial spaces?

Pathogens target various compartments of the body which require different host defence mechanisms for eradication. What defence mechanisms are used for pathogens that target the epithelial surfaces?

Pathogens target various compartments of the body which require different host defence mechanisms for eradication. What defence mechanisms are used for pathogens that target the cytoplasm of the cell?

Pathogens target various compartments of the body which require different host defence mechanisms for eradication. What defence mechanisms are used for pathogens that target the vesicles of the cell?

Worms cause disease too. Which classifications of worms have infected almost 4 billion people worldwide?

Which of the antibodies/immunoglobins are linked to allergies?

Which part of the antibody dictates the function?

On the heavy and light chains how many of each of V, D and J can you find?

Is IgD a monomer, dimer or pentamer?

B cells make antibodies with different Fc portions. How do they do this?

Antibodies basically do 5 different things. What are they?

Explain how affinity maturation works?

Explain how the complement cascade works

There are three ways complement can be activated. What are they?