Alzheimer's Disease

question 4

Multiple Choice

Alzheimer's disease:

• A) cannot be definitively confirmed until after death.
• B) can be confirmed with absolute certainty using brain imaging techniques.
• C) is sometimes treated with drugs that enhance glutamate.
• D) has been successfully treated with more than 100 drugs.

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Definitions:

Action Potential

A momentary change in electrical potential on the surface of a neuron or muscle cell, allowing the transmission of signals.

Repolarization

A phase in the cardiac cycle or neural activity where the cell membrane returns to its resting potential after depolarization.

Neuronal Membrane

The lipid bilayer that surrounds a neuron, maintaining the electrical potential that enables neural signaling and communication.

Potassium Channels

Pores in cell membranes that allow potassium ions to pass through, regulating cell function.