Which of the Following Best Explains Why a Bone Marrow

question 66

Multiple Choice

Which of the following best explains why a bone marrow donor needs to be HLA-matched to the recipient?

• A)The bone marrow transplant contains enough mature T cells to reconstitute the recipient and the recipient provides the antigen-presenting cells.
• B)The recipient's MHC molecules mediate positive selection of thymocytes in the thymus that interact with donor-derived MHC molecules in the periphery.
• C)Reconstituted T cells are restricted by donor,not recipient,HLA allotypes.
• D)Without an HLA match,the donor-derived thymocytes undergo negative selection.
• E)If the donor is not HLA matched,the reconstituted T cells will be autoreactive.

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Instantaneous Changes

Sudden alterations or transitions in behavior, thought, or condition that occur without a gradual progression.

Overwhelming Others

Exerting intense pressure or influence on others that can lead to stress or discomfort.

Categorizing

The process of arranging or classifying items or concepts into categories based on shared characteristics or criteria.

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The principle of fair and just relations between the individual and society, often involving the distribution of wealth, opportunities, and privileges.