GVHD develops when:
a. Donor T cells attack patient tissue or tissues.
b. Patient T cells attack donor stem cells.
c. Donor B cells attack patient tissue or tissues.
d. Patient B cells attack donor stem cells.
ANS: A
GVHD develops when donor T cells attack and damage patient tissue or tissues. The tissues most likely to be affected vary, depending on whether it is acute (skin, liver, gastrointestinal tract) versus chronic (multisystem autoimmune disease) GVHD.
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