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Questions and Answers
What is the electrical charge of neurons at rest?
What is the electrical charge of neurons at rest?
-70 millivolts (mV)
What is the smallest stimulus that can produce an action potential?
What is the smallest stimulus that can produce an action potential?
Threshold stimulus
How is the resting potential of neurons achieved?
How is the resting potential of neurons achieved?
By membrane proteins that pump sodium ions (Na+) out of the cell and potassium ions (K+) into it.
What creates a higher concentration of potassium ions (K+) inside the cell?
What creates a higher concentration of potassium ions (K+) inside the cell?
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How is an action potential produced?
How is an action potential produced?
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