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    Exam 9: Cardiac Physiology
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    What Element Is Involved in the Most Important Ion Outward
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What Element Is Involved in the Most Important Ion Outward

Question 53

Question 53

Multiple Choice

What element is involved in the most important ion outward movement that gives rise to the pacemaker potential?


A) ​sodium
B) potassium
C) calcium
D) phosphorus
E) ​iron

Correct Answer:

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