SBB Exam Questions With Solutions Latest 2024 (Graded A+)

SBB Exam Questions With Solutions Latest 2024 (Graded A+) Antibodies are made by what cells? - correct answer Plasma cells Where do B cells mature? - correct answer Bone Marrow Where do T cells mature? - correct answer Thymus Coating of a cell with antibodies or complement is called? - correct answer Opsonization CD4 + cells are? - correct answer T helper cells The specific chemical group that provokes an antibody response - correct answer Epitope Blood groups are made of two main kinds of chemicals - correct answer Proteins, carbohydrates What is the function of the FC piece of an immunoglobulin? - correct answer Monocyte binding What is the only Ig that crosses the placenta? - correct answer IgG What does 2-ME OR DTT do to IgM antibodies? - correct answer Destroys disulfide bonds Which is the secretory Ig? - correct answer IgA Which Ig is responsible for allergic reaction's? - correct answer IgE Which IgG subclass does not bind complement? - correct answer IgG4 Which IgG sub classes are most clinically significant? - correct answer IgG 1 & 3 What is isotype switching? - correct answer Example IgM switches to IgG What is the end point of complement activation? - correct answer Hole in cell At what stage of complement cascade is it amplified? - correct answer C3 activation What two ions are needed for complement activity? - correct answer Ca++ and Mg++ Name two complement components that are anaphylatoxins - correct answer C3a and C5a What is the minimum number of days a BBK specimen must be kept? - correct answer Seven days post transfusion Name two groups for which weak D testing is required - correct answer Donors, NB of D- Moms What is required for crossmatch specimen to be used longer than three days? - correct answer Known history, not pregnant or transfusion last three months