Chapter 3 - The Immune System Flashcards
What is the primary and secondary lymphoid tissues?
Primary: thymus and bone marrow
Secondary: tonsils, adenoids, spleen, peter patches, appendix
What is Immunocompetence?
appropriate reaction
What does hyperactive mean?
excessive reaction (allergic reaction)
What does immunodeficiency mean?
inadequate response (HIV)
When can there be attacks on beneficial foreign tissue?
transfusion reaction or transplant rejection
What does immunogen mean?
antigen
what does the hematopoietic system do?
produce stem cells, (some become T cells) (some become B cells)
What do B cells do?
protect against infections
B cells as plasma cells…
produce antibodies to mark cells
B memory cells produces…
antbodies for a period of years
B cells are coated with…
Immunoglobulins
(acquired immunity)
Active immunity results from what?
exposure to disease or immunizations
(acquired immunity)
Passive immunity results from what?
its immediate/temporary
so antibodies from maternal or other sources
