Unlike $\alpha$ $\beta$ T Cells $\gamma$ $\delta$ T Cells Are Considered to Be Components of the Innate

question 36

Multiple Choice

Unlike $\alpha$ : $\beta$ T cells, $\gamma$ : $\delta$ T cells are considered to be components of the innate immune system. One feature of $\gamma$ : $\delta$ T cells that leads to their classification as innate cells is:

• A) That they migrate from the thymus directly to barrier surfaces such as mucosa and epithelia
• B) Their ability to produce pro-inflammatory cytokines
• C) That their T-cell receptors are germline encoded rather than a product of VD-J recombination
• D) Their rapid turnover in the tissue, with an average survival time of 3-4 days
• E) Their ability to make growth factors that act on epithelial cells rather than other hematopoietic cells

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Definitions:

Occipital

Pertaining to the occipital bone or region, located at the back part of the skull, involving the visual processing center of the brain.

Parietal

Referring to the parietal lobe of the brain, involved in processing sensory information, or the parietal bones of the skull.

Ligamentum Nuchae

A fibrous membrane that provides support to the head by connecting cervical vertebrae to the skull.

Erect

A posture or position that is upright and vertical, or the state of being physically rigid due to the engorgement of blood vessels.