12 Questions
Which cell surface marker is involved in the regulation of IgE synthesis and triggers the release of IL-1, IL-6, and GM-CSF from monocytes?
CD21
Which cell surface marker is a receptor for IL-2 and an adhesion molecule mediating homing to peripheral lymphoid organs?
CD4
Which cell surface marker is an essential part of T and B cell antigen-stimulated activation?
CD19
Which cell surface marker is involved in the inhibition of NK cell cytotoxicity as a subunit of NKG2-A complex?
CD8
Which substances are added to vaccines to make them less immunogenic?
Aluminum salts
Where are the genes coding for MHC molecules in humans found?
On the short arm of chromosome 6
Which cells present antigens to CD4 (T-helper) cells?
B cells
What type of microscope is used for HLA testing?
Inverted phase contrast microscope
Which immunoglobulin is most efficient in crossing the placenta?
IgG1
What is the predominant immunoglobulin in humans with the longest half-life?
IgG1
Which immunoglobulin participates in agglutination, opsonization, and neutralization of toxins?
IgG1
Which immunoglobulin is known as the macroglobulin and is the most primitive?
IgM
Test your knowledge about the surface markers present on B cells and T cells, and their roles in the immune system. Identify the key markers associated with different cell types and their functions.
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