If You Transfuse Type AB Blood into a Patient with Type

question 33

Multiple Choice

If you transfuse type AB blood into a patient with type A blood,the patient will raise antibodies against the B antigen on the donor's blood,but will not raise antibodies against the A antigen.Why not?

• A) B and T cells that recognize the A antigen will have been removed by clonal deletion.
• B) Antibodies that recognize the A antigen will have been removed by the spleen.
• C) Antibodies that recognize the A antigen will have been removed by the bone marrow.
• D) Macrophages will not present the A antigen to T cells.
• E) Recombination of the gene for antibodies cannot produce self-reactive clones.

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Definitions:

Horizontal Analysis

A method of financial analysis in which items on financial statements over multiple periods are compared.

International Segments

Parts of a company that operates in different countries outside of the company's home country, often analyzed separately in financial reports to assess performance.

Segment Data

Financial information broken down into smaller units, such as product lines or geographical markets, within an organization.

Subsidiary Ledger

A subsidiary ledger is a detailed ledger that contains account information related to a specific subsidiary account, which is then summarized in a general ledger.