Immunology — Flashcards

IL-12 stimulates polarization of naive TH0 cells towards a TH_____ phenotype and away from a TH2 phenotype

_____ are the two primary opsonins in bacterial defense, which enhances phagocytosis

Class switching to Ig_____ is promoted by IL-4 and IL-13

Ig_____ antibodies bind to the bacteria's capsule, resulting in either phagocytosis (Fc receptors) or binding of complement

_____ is a protein secreted by Neisseria spp. that functions to cleave secreted host IgA at its hinge region.

_____zone phenomenon has excessive antibody in the test system, leading to weak or even absent precipitation.

Complement may be activated via the _____ pathway, which is mediated by IgM and IgG (immunoglobulins)

_____ leprosy is associated with a strong Th1-cell response, allowing for cell-mediated immunity

Different types of immunodiffusions:_____ diffusion in two dimension - Radial immunodiffusion procedure

MHC _____ presents endogenously synthesized antigens to CD8+ cytotoxic T cells