What Causes Rejection by the Body's Immune System After a Transplant

question 21

Multiple Choice

What causes rejection by the body's immune system after a transplant of an improperly matched organ?

• A)non-self proteins in the tissue
• B)the presence of foreign MHC proteins on the donor tissue
• C)antibodies and cytotoxic T lymphocytes (CTLs)responding to foreign tissue
• D)non-self proteins in the tissue,the presence of foreign MHC proteins on the donor tissue,and antibodies and cytotoxic T lymphocytes (CTLs)responding to foreign tissue
• E)Both non-self proteins in the tissue and antibodies and cytotoxic T lymphocytes (CTLs)responding to foreign tissue can cause an organ to be rejected.

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Definitions:

Par Value

A nominal value assigned to a share of stock in the charter of a corporation, which is the minimum legal capital per share.

Common Share

A unit of equity ownership in a corporation, granting holders voting rights and a share in the profits through dividends.

Noncumulative

A term often used in the context of preferred stock dividends that indicates dividends not paid in one period do not need to be paid in future periods.

Nonparticipating

Refers to an insurance policy, financial instrument, or other contracts that do not entitle the holder to share in the profits or surplus of the issuer.