SBB Questions and Answers 100% Pass
Chemicals that send signals between cells are ✔✔Cytokines
Antibodies are made by what cells? ✔✔Plasma cells
Where do B cells mature? ✔✔Bone Marrow
Where do T cells mature? ✔✔Thymus
...
SBB Questions and Answers 100% Pass
Chemicals that send signals between cells are ✔✔Cytokines
Antibodies are made by what cells? ✔✔Plasma cells
Where do B cells mature? ✔✔Bone Marrow
Where do T cells mature? ✔✔Thymus
Coating of a cell with antibodies or complement is called? ✔✔Opsonization
CD4 + cells are? ✔✔T helper cells
The specific chemical group that provokes an antibody response ✔✔Epitope
Blood groups are made of two main kinds of chemicals ✔✔Proteins, carbohydrates
What is the function of the FC piece of an immunoglobulin? ✔✔Monocyte binding
What is the only Ig that crosses the placenta? ✔✔IgG
What does 2-ME OR DTT do to IgM antibodies? ✔✔Destroys disulfide bonds
Which is the secretory Ig? ✔✔IgA
Which Ig is responsible for allergic reaction's? ✔✔IgE
Which IgG subclass does not bind complement? ✔✔IgG4
Which IgG sub classes are most clinically significant? ✔✔IgG 1 & 3
What is isotype switching? ✔✔Example IgM switches to IgG
What is the end point of complement activation? ✔✔Hole in cell
At what stage of complement cascade is it amplified? ✔✔C3 activation
What two ions are needed for complement activity? ✔✔Ca++ and Mg++
Name two complement components that are anaphylatoxins ✔✔C3a and C5a
What is the minimum number of days a BBK specimen must be kept? ✔✔Seven days post
transfusion
Name two groups for which weak D testing is required ✔✔Donors, NB of D- Moms
What is required for crossmatch specimen to be used longer than three days? ✔✔Known history,
not pregnant or transfusion last three months
What can be used to neutralize heparin? ✔✔Protamine sulfate
If given Rh positive cells to Rh negative person, what does standards require? ✔✔A policy?(and
a Rhig policy)
Name three requirements for when blood must be irrradiated ✔✔TA-GVHD risk; blood relative;
HLA-matched
Why can't you use an EDTA specimen for Donath Landsteiner test? ✔✔It wouldn't lyse C'
What is meant by thermal amplitude? ✔✔How high temp of reaction
What is ZZAP? ✔✔Ficin OR papain AND DDT
What concentration of albumin is used as a serum control?
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