How Are Superantigens Able to Uniquely Activate Large Amounts of T

question 2

Multiple Choice

How are superantigens able to uniquely activate large amounts of T cells?

• A) Superantigens secrete many toxins that are able to activate many different T cells.
• B) Superantigens are able to travel to the lymph node to interact directly with more T cells.
• C) Superantigens bind to the TCR and MHC class II molecule outside the binding groove.
• D) Superantigens bind to the TCR in the binding groove like other antigens but they have more epitopes than other antigens.

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Definitions:

Gray Commissure

A narrow band of gray matter that connects the two halves of the spinal cord, located around the central canal.

Reflex Arc

The neurological path that mediates a reflex action, involving at a minimum, a sensory neuron, a motor neuron, and usually an interneuron.

Integration Center

A region in the nervous system where information is processed and interpreted, often resulting in the initiation of a specific response.

Dorsal Root Ganglia

A cluster of nerve cell bodies (neurons) in the dorsal root of a spinal nerve.