Which statement about tissue transplants is TRUE?
a. The source of graft rejection is T cell recognition of the foreign MHC antigens on the transplanted cells.
b. If transplants demonstrate a perfect match for all Rh antigens, then there is a 95% success rate.
c. Successful transplants require a complete match of all MHC antigens.
d. Xenotransplantation avoids the fundamental transplant mechanism of graft rejection.
e. Skin can be successfully transplanted between siblings and other closely related family members.
a
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a. true b. false
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a. subjective conclusions b. carefully stated hypothesis c. repeated controlled experiments d. revisions or rejection if new evidence comes to light e. explanation of a large number of observations
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____________________ Indicate whether the statement is true or false.