One Surprising Aspect of the Immune System Is That Individuals

question 44

Multiple Choice

One surprising aspect of the immune system is that individuals make responses to human tissues from a different individual, causing serious problems for organ and tissue transplantation. The basis for this immune response is:

• A) The extensive polymorphism of MHC genes in the human population
• B) The fact that transplanted tissues often carry infectious microbes into the recipient
• C) The fact that individuals may differ in their blood group antigens (i.e., their blood type)
• D) The presence of many antigen-presenting-cells in the transplanted tissue
• E) The presence of many B and T lymphocytes in the transplanted tissue

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Definitions:

Deceptive Messages

Communications intended to mislead or falsely manipulate the perception of the receiver.

Body Parts

Various physical components of living organisms, including organs, limbs, and tissues that perform specific functions.

Faces

Typically refers to the front part of the human head, including the eyes, nose, mouth, and expression-contributing elements.

Road Rage

Aggressive or violent behavior exhibited by motorists in response to perceived slights or frustrations while driving.