Which Following Term Describes the Directional Migration of Leukocytes Along

question 11

Multiple Choice

Which following term describes the directional migration of leukocytes along a chemical gradient?

• A) Chemotaxis
• B) Endocytosis
• C) Margination
• D) Diapedesis

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Definitions:

MHC Class II

Proteins found on the surface of certain immune cells that present antigens to the immune system, critical in distinguishing between self and non-self.

MHC Class I

Molecules found on the surface of all nucleated cells that present peptide fragments to immune cells, playing a critical role in the immune response to infections.

T Helper Cells

A kind of T cell crucial to the immune system, it aids in activating B cells for antibody production and enables macrophages to eliminate consumed microorganisms.

Interleukin-1 Receptor

A type of protein that binds interleukin-1, playing a crucial role in mediating inflammatory responses.