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

Anatomy & Physiology
1st Edition
ISBN:9781938168130
Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Chapter12: The Nervous System And Nervous Tissue
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  • What causes Hyperpolarization following the spike of the action potential?
  1. Voltage-gated K+ channels close slowly allowing K+ ions to leave the cell
  2. The opening of leaky Na+ channels
  3. The Na+/K+ pump briefly reverses the direction of ion flow
  4. Both Na+ channels and K+ channels become inactivated
  5. 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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