If the Extracellular Fluid Around a Neuron Is Replaced with an Isotonic

question 82

Multiple Choice

If the extracellular fluid around a neuron is replaced with an isotonic saline solution that contains K⁺ and other solutes at concentrations very close to the extracellular fluid concentrations of a normal cell, the result is

• A) no resting membrane potential.
• B) hyperpolarized membrane.
• C) depolarized membrane.
• D) a resting membrane potential close to its normal value.
• E) None of the choices are correct.

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