Examlex
In an itemized rating scale,respondents select from a limited number of ordered categories.
Na+
Sodium ions, essential for conducting nerve impulses and maintaining the balance of fluids in the body.
Plasma Membrane
The semipermeable membrane surrounding the cytoplasm of a cell, controlling the movement of substances in and out of the cell.
Potential Difference
Difference in electrical potential, measured as the charge difference across the plasma membrane.
Hyperpolarization
An increase in a cell's membrane potential, making it more negative and less likely to fire an action potential.
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