The "All-Or-Nothing" Principle Means

question 47

Multiple Choice

The "all-or-nothing" principle means

• A) all of the nerve impulses go to the brain.
• B) all the potassium ions on one side of the cell membrane move to the other side of the cell membrane.
• C) all the sodium ions on one side of the cell membrane move to the other side of the cell membrane.
• D) an entire neuron depolarizes to its maximum strength.

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Definitions:

Iron Weapons

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Ferdinand Magellan

A Portuguese explorer who organized the Spanish expedition to the East Indies from 1519 to 1522, resulting in the first circumnavigation of the Earth.

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Columbus's Assessment

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