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    Exam 13: Muscular System
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    What Ion Is Responsible for Initiating Muscle Contraction
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What Ion Is Responsible for Initiating Muscle Contraction

Question 59

Question 59

Multiple Choice

What ion is responsible for initiating muscle contraction?


A) Mg2+
B) Ca2+
C) H+
D) Cl-
E) Na+

Correct Answer:

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