Micr 270 - Study guides, Class notes & Summaries

Major Histocompatibility Complex (MHC) - Answer Group of genes that code for proteins found on the surfaces of cells that help the immune system recognize foreign substances. memory cells - Answer General term for lymphocytes that are responsible for immunological memory and protective immunity. Monocytes - Answer An agranular leukocyte that is able to migrate into tissues and transform into a macrophage.

What are the goals of the immune system? - Answer Discriminate: Recognize self from non-self Eliminate: Destroy non-self (pathogen) and altered self cells (cancer) - Occurs through the ability of immune cells to initiate immune response - Antigen enters → recognized → effector cells are activated → elimination

TLR signalling - Answer TLRS recognize through ramps or damps, then the engulfed pathogen is presented to the MHC and the production of co-stimulatory molecules is increased, and an immunocompetent naive T cell binds to the MHC and can initiate an adaptive IR. Humoral Activation - Answer Activated and differentiated TH2 cells activate B cells and induce their differentiation into plasmocytes. Plasmocytes then secrete a large number of antibodies for the invading antigen.

Once a pathogen is eliminated, the vast majority of lymphocytes undergo _______________ the immune response gradually increases/declines - Answer apoptosis declines What happens to the cells that survive the contraction phase? - Answer They become memory cells

MICR 270 Study Questions to Guaranteed 100% Pass

MICR 270 Study Questions to Guaranteed 100% Pass

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MICR 270 Exam Study Guide | 100% Pass Guaranteed

MICR 270 Actual Exam Study Questions 100% Solved with Verified Answers