The Number of MHC Protein Combinations Possible in a Given

question 84

Multiple Choice

The number of MHC protein combinations possible in a given population is enormous. However, an individual in that population has only a couple of MHC possibilities. Why?

• A)The MHC proteins are made from several different gene regions that are capable of rearranging in a number of ways.
• B)MHC proteins from one individual can only be of class I or class II.
• C)Each of the MHC genes has a large number of alleles, but each individual only inherits 2 for each gene.
• D)Once a B cell has matured in the bone marrow, it is limited to two MHC response categories.
• E)Once a T cell has matured in the thymus, it can only respond to two MHC categories.

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Definitions:

Diagnostic Labels

Terms or categories used by healthcare professionals to describe and classify mental health disorders and conditions.

Social-Cognitive

Pertaining to the understanding of social behaviors and cognitions, including how we interpret, analyze, remember, and use information in social contexts.

Incompetence

A lack of ability, skill, or qualification to perform effectively.

Depression

An ailment relating to mental health, defined by an enduring state of unhappiness or apathy towards activities, that substantially hampers normal life.