What causes Hyperpolarization following the spike of the action potential? Voltage-gated K+ channels close slowly allowing K+ ions to leave the cell The opening of leaky Na+ channels The Na+/K+ pump briefly reverses the direction of ion flow Both Na+ channels and K+ channels become inactivated Na+ and Cl- enter the cell until the Na+/Cl- pump closes
What causes Hyperpolarization following the spike of the action potential? Voltage-gated K+ channels close slowly allowing K+ ions to leave the cell The opening of leaky Na+ channels The Na+/K+ pump briefly reverses the direction of ion flow Both Na+ channels and K+ channels become inactivated Na+ and Cl- enter the cell until the Na+/Cl- pump closes
Human Physiology: From Cells to Systems (MindTap Course List)
9th Edition
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Lauralee Sherwood
Chapter4: Principles Of Neural And Hormonal Communication
Section: Chapter Questions
Problem 1RE: Conformational changes in channel proteins brought about by voltage changes are responsible for...
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Question
- What causes Hyperpolarization following the spike of the action potential?
- Voltage-gated K+ channels close slowly allowing K+ ions to leave the cell
- The opening of leaky Na+ channels
- The Na+/K+ pump briefly reverses the direction of ion flow
- Both Na+ channels and K+ channels become inactivated
- Na+ and Cl- enter the cell until the Na+/Cl- pump closes
Expert Solution
Step 1
An action potential is a rapid and transient electrical signal that travels down the axon of a neuron, allowing for the transmission of information between neurons and throughout the nervous system.
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