"Pruning" Refers To

question 268

Multiple Choice

"Pruning" refers to:

• A) the death of neurons that results when synaptic connections are lost.
• B) a loss of dendrites and synaptic connections that occurs as we age.
• C) a loss of dendrites and synaptic connections that occurs in certain degenerative diseases.
• D) a loss of unused synaptic connections that results in a more efficient neural network.

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Definitions:

T Suppressor

A type of T cell that plays a role in the immune system by inhibiting the actions of other immune cells to prevent excessive reactions.

B Receptor

A protein located on the surface of cells that binds to specific molecules like hormones, often involved in signaling pathways. If "B Receptor" is a typographical error for a known type of receptor like "beta receptors," then: NO.

MHC Class I

MHC Class I molecules are proteins on the surface of cells that present peptide fragments to the immune system, crucial for the recognition of foreign pathogens.

Foreign Antigen

A substance from outside the body that triggers an immune response when detected by the body's immune system.