What Are the Potential Effects of Increased Levels of Stress

question 121

Multiple Choice

What are the potential effects of increased levels of stress hormones in stress response?

• A) Among the aged, deficits in problem-solving skills and dementia may develop.
• B) The ability of the hippocampus to "turn off" the body's stress response may be compromised.
• C) The high level of stress hormones will cause the stress response to stop.
• D) Both a and b

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Definitions:

T-cell Receptors

Molecules found on the surface of T-cells that are responsible for recognizing fragments of antigen as peptides bound to major histocompatibility complex (MHC) molecules.

Foreign Antigens

Substances that are recognized by the immune system as non-self, triggering an immune response.

Self-antigens

Antigens present on the body's own cells; usually tolerated by the immune system.

Transplanted Tissues

Tissues moved from one body and placed into another, either in the same person or between individuals, to replace damaged or defective tissues.