In the Early Stages of T-Cell Activation, __________________

question 61

Multiple Choice

In the early stages of T-cell activation, __________________.

• A) T cells are retained in lymphoid organs, allowing the cytokine exposure necessary to continue activation
• B) enhanced T cell migration to peripheral sites of injury and infection following cytokine exposure
• C) the T cells transiently secrete IL-2
• D) the T cells bind IL-2 with high affinity to inhibit apoptosis

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Definitions:

Sickle Cell Anemia

A genetic blood disorder characterized by red blood cells that assume an abnormal, rigid, sickle shape, leading to various complications like pain and anemia.

Hydrophobic

Pertaining to molecules or parts of molecules that repel water, often non-polar substances that do not readily dissolve in water.

Quaternary

Relating to the most recent period of the geological time scale, which follows the Tertiary period and encompasses the current time.

Hemoglobin

A molecule found in red blood cells responsible for transporting oxygen from the lungs to the tissues throughout the body and bringing carbon dioxide from those tissues back to the lungs.