The Aging Immune System

question 77

Multiple Choice

The aging immune system

• A)increases its ability to respond to outside antigens.
• B)may have decreased autoimmune reactions.
• C)may have T lymphocytes with greatly increased activity.
• D)loses its ability to quickly recognize cancerous changes in cells.
• E)shows all of these changes.

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Definitions:

Neurochemically

Pertaining to neurochemistry, the study of chemicals, including neurotransmitters and other molecules, that influence or regulate the nervous system.

Unipolar Depression

A serious form of depression marked by ongoing sadness or an apathy towards external events.

Bipolar Disorder

A mental health condition characterized by significant mood swings, including episodes of mania and depression.

Bipolar Disorders

Mental health conditions marked by extreme mood swings, including emotional highs (mania or hypomania) and lows (depression).