Mcat: The Immune System Questions And Answers 100% Verified A+ Guaranteed

Self Tolerance {Ans: When a Reuglatory T-cell turns off self-reactive lymphocytes to prevent autoimmune diseases.}Gut-Associated Lymphoid Tissue (GALT) {Ans: Include the tonsils and adenoids in the head, Peyer's patches in the small intestine, and lymphoid aggregates in the appendix. Protect from potential invasion through the digestive system.}Exogenous Pathway {Ans: Pathway that antigen presented on Class II MHC takes}Passive Immunity {Ans: Results from the transfer of antibodies to an individual. The immunity is transient because only the antibodies, and not the plasma cells that produce them, are given to the individual}Gastrointestinal Tract Immune System {Ans: Plays a role in nonspecific immunity. The stomach secretes acid, resulting in the elimination of most pathogens. The gut is colonized by bacteria which can outcompete with many pathogens for survival.}Thoracic Duct {Ans: The major duct of the lymphatic system}