Medical Immunology questions with correct answers

What are in vitro tests used for? - Answer Basic principles of tests used by scientists / physicians to study the immune system and responses to disease What is serology? - Answer - Study of in vitro interactions with serum (clotted blood and serous fluid is further analyzed) - Plasma is blood drawn (citrate tube), not clotted, and cells removed What are precipitation tests? - Answer - Soluble antigen with antibody - Needs optimal concentrations for precipitins (visible Ag-Ab complexes) - IgG best, then IgM and IgA - IgD and IgE do not precipitate antigen - Schematic of optimum concentrations What are 7 precipitation tests? - Answer - Precipitin Ring Test - Ouchterlony (double diffusion) - Radial Immunodiffusion (Mancini technique) - Immunoelectrophoresis - Crossed Immunoelectrophoresis - Rocket Immunoelectrophoresis