30. Newly matured T and B cells that have been released to theperiphery are called “naïveâ€
What does that mean? (2pts)
31. What is the role of CD4+ T cells? What do they do? How do weknow they’re important? (2pts)
32. There are many different subtypes of CD4+ T cells. Whatdetermines what subtype they will become? (2pts)
33. What is the role of CD8+ T cells? What do they do?(2pts)
34. What is the role of T regulatory cells? How do we knowthey’re important? (2pts)
35. How are memory T cells different from effector T cells?(2pts)
36. Briefly describe the stages of building a BCR. (2pts)
37. Why do B cells only have to go through negative selection?(2pts)
38. What is the difference between a B-1 B cell and a B-2 Bcell? (2pts)
39. What is required during T-dependent B cell activation?(2pts)
40. What is required for T -independent activation to takeplace? (2pts)
41. What is somatic hypermutation? (2pts)
42. What is class-switch recombination? (2pts)
