The Activation of Helper T Cells Is Likely

question 23

Multiple Choice

The activation of helper T cells is likely

• A) when an antigen is displayed by a dendritic cell.
• B) when a cytotoxic T cell releases cytokines.
• C) when natural killer (NK) cells come in contact with a tumor cell.
• D) in the bone marrow during the self-tolerance test.
• E) when B cells respond to T-independent antigens.

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Definitions:

Myelin Sheath

A fatty layer that envelops and insulates nerve fibers, enhancing the speed and efficiency of electrical signal transmission along neurons.

Nucleus

A membrane-bound organelle found in eukaryotic cells containing the majority of the cell's genetic material, responsible for controlling the cell's growth, metabolism, and reproduction.

Plasticity

The brain's ability to change and adapt as a result of experience, including the formation of new neural connections throughout life.

Neural Pathways

These are networks of neurons in the body that transmit signals between different parts, crucial for processing information and coordinating actions.