The steep depolarization phase of an action potential in the SA node of the heart is caused primarily by: Opening of K+ channels Opening of Na+ channels Opening of Ca2+ channels The efflux of K+ ions None of the above
The steep depolarization phase of an action potential in the SA node of the heart is caused primarily by: Opening of K+ channels Opening of Na+ channels Opening of Ca2+ channels The efflux of K+ ions None of the above
Basic Clinical Lab Competencies for Respiratory Care: An Integrated Approach
5th Edition
ISBN:9781285244662
Author:White
Publisher:White
Chapter6: Electrocardiography
Section: Chapter Questions
Problem 3SEPT
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