Biology (11th Edition)

Published by McGraw-Hill Education
ISBN 10: 1-25918-813-2
ISBN 13: 978-1-25918-813-8

Chapter 43 - The Nervous System - Review Questions - Understand: 6

Answer

D.

Work Step by Step

A. and C. mention the correct ions for the two phases of an action potential, but B. misstates the direction in which potassium ions move. Since A. and C. are correct, D. is the best choice.
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