During the rising portion of the action potential, which ions are moving across the membrane and in which direction? A. Sodium ions move out. B. Sodium ions move in. C. Both sodium and potassium ions move in. D. Potassium ions move in.
During the rising portion of the action potential, which ions are moving across the membrane and in which direction? A. Sodium ions move out. B. Sodium ions move in. C. Both sodium and potassium ions move in. D. Potassium ions move in.
Human Physiology: From Cells to Systems (MindTap Course List)
9th Edition
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Lauralee Sherwood
Chapter3: The Plasma Membrane And Membrane Potential
Section: Chapter Questions
Problem 4TAHL
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During the rising portion of the action potential, which ions are moving across the membrane and in which direction?
A. Sodium ions move out.
B. Sodium ions move in.
C. Both sodium and potassium ions move in.
D. Potassium ions move in.
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