Which of the following mechanisms generate a diverse TCR and BCR repertoire?

• 
  VDJ recombination

• Somatic hypermutation

• 
  Affinity maturation

• KFC rearrangement

Which CD4 T cell subset is most suitable for a response against extracellular bacteria and fungi?

• Th1

• Th2

• Th17

• Treg

Which CD4 T cell subset is most suitable for an anti-helminthic response?

• Th1

• Th2

• Th17

• Tfh

Which of the following T cell subsets helps suppress inflammation?

• Th1

• Th2

• Th17

• Treg

Which of the following cytokines help induce T cell survival and proliferation?

• 
  IFNgamma

• 
  IL-10

• 
  IL-2

• 
  IL-17

What is required for full activation of a naïve T cell?

• Binding to an antigen on MHC only

• Interaction with B cells only

• Co-stimulation

• Exposure to a high concentration of antigen