if one reduced the extracellular concentration of na around a neuron, what would happen to the resting membrane potential?i am not sure becomes more positive less positive effect

Respuesta :

If the extracellular concentration of Na around a neuron gets reduced, the resting membrane potential becomes more negative (less positive).

Membrane potential is the electrical difference in electric potential between the interior (intracellular) and exterior (extracellular) in a biological cell. The resting membrane potential is determined by the uneven distribution of ions and the difference in permeability of the membrane to the various type of ions.

There are many types of ions found in neurons and their surrounding fluids, but the most abundant are:

  • Sodium (Na+) and potassium (K+), which are positively charged ion/cation.
  • Chloride (Cl-) and other organic negatively charged ions/anion.

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