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The overall sequence of physical and electrochemical changes occurring along a nerve fiber is referred to as a nerve impulse. The shift in membrane potential caused by stimulation of the nerve fiber is termed as what? During this process, Na+ ions move into the cell, creating a positive charge inside, while K+ ions exit.

1. Action potential
2. Nerve impulse
3. Propagation
4. None

Correct answer: Action potential

Solution

The change in potential due to stimulation of a nerve fibre is specifically termed as 'action potential,' which involves the influx of Na+ ions and efflux of K+ ions.

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