Thymic Selection

question 48

Multiple Choice

Thymic selection

• A) destroys T cells that do not recognize self- molecules of MHC.
• B) activates B cells.
• C) destroys CD4⁺ cells that attack self.
• D) destroys MHC molecules.
• E) destroys B cells that make antibodies against self.

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Definitions:

Maladaptive Beliefs

Irrational and dysfunctional beliefs that negatively affect one's ability to cope with life's challenges.

Perfectionistic Standards

Excessive self-demands in personal performance, often leading to stress and mental health issues.

Intrusive Thoughts

Unwanted thoughts or images that repeatedly enter a person's mind, causing distress or anxiety.

Contamination

The unintended presence of impurities or harmful substances in a material or environment, which may compromise the validity of an experiment or the health of individuals.