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theh301234
theh301234
18.11.2019 • 
Biology

The cellular immune response can seem a bit more complex than the humoral response because there are more cell types involved and more than one outcome for many of these cell types. let's focus on the different t cell subtypes and their role in the cell-mediated response.

identify the following statements regarding cell-mediated immunity as either correct or incorrect.

a) the cellular immune response is mediated by t cells.
b) cd8* t-cells are t cytotoxic (tc) cells that bind to mhc class i molecules and can differentiate into an effector cyotoxic t lymphocyte (ctl).
c) t (th) cells differentiate primarily into two different subsets, th1 and th10.
d) the recognition of antigens by a t cell requires that an antigen-presenting cell (apc) first process them.
e) the cell-mediated response functions to target and effectively remove freely circulating pathogens where antibodies can come in contact with them.
f) cytotoxic t lymphocytes (ctls) can use perforin, a pore-forming protein, to kill self cells that have been altered by infection with a pathogen.
g) t cells are classified by their clusters of differentiation (cd), which serve as receptors. the most important cd classes for cell-mediated immunity are cd4 and cd6.
h) t cells, like b cells, are specific for a particular antigen.
i) t cells aid in both the humoral and cellular immune response.
j) cd4* t cells are cells that bind to the major histocompatibility complex (mhc) ii class molecules on b cells and antigen-pressing cells (apcs).

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