What Is the Name Given to Dense Collections of Proteins

question 176

Multiple Choice

What is the name given to dense collections of proteins and other materials in the brains of patients with Alzheimer's disease?

• A) neurofibrillary tangles
• B) polypeptide Y fragments
• C) plaques
• D) pyramidal tracts

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Definitions:

Multiple Sclerosis

An autoimmune disease affecting the central nervous system, leading to impaired mobility and cognition.

Myelin

A fatty substance that surrounds nerve fibers, increasing the speed at which electrical impulses travel along the nerve cells.

Axons

Long, threadlike parts of nerve cells along which impulses are conducted from the cell body to other cells.

Propagating Action Potential

The process by which an electrical impulse travels along the length of a neuron, enabling communication within the nervous system.