22. What are the antigen presenting cells? ________________________________________
23. If a pathogen is extracellular, what type of immunity generally occurs? An intracellular pathogen?
________________________________________________________________________
24. What is clonal selection? ___________________________________________________
25. What is cell-mediated immunity? What cells are involved? ________________________
________________________________________________________________________
26. What is humoral immunity? _________________________________________________
27. What cells produce antibodies? ______________________________________________
28. List and describe the 5 antibodies ____________________________________________
________________________________________________________________________
29. Autoimmune disease is believed to be due to the loss of? _________________________
________________________________________________________________________
312
Made with FlippingBook Publishing Software