Superantigens Are

question 13

Multiple Choice

Superantigens are

• A)body tissues that the immune system mistakes as foreign.
• B)cell markers found in some member of a species but not in other members.
• C)bacterial toxins that activate T-cells at a 100 times greater rate than other antigens.
• D)those that evoke allergic reactions.

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Definitions:

Polygraph

An instrument that measures and records several physiological indicators such as blood pressure, pulse, respiration, and skin conductivity while the subject answers questions, used to infer truths or lies.

Physiological Responses

Automatic reactions of the body to a stimulus, involving biological or bodily systems and processes, such as heart rate and hormone release.

Cannon-Bard Theory

A theory of emotion that proposes that emotions and bodily changes occur simultaneously following a stimulus, rather than one causing the other.

Two-factor Theory

A theory proposing that emotional experiences arise from a combination of bodily reactions and the cognitive labeling of the reason for the physical reaction.