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The _______ Prevents the Initial Depolarization at the S-A Node

Question 42

Multiple Choice

The _______ prevents the initial depolarization at the S-A node from spreading across the heart from the atria through the ventricles and ending at the tip of the septum.


A) S-A node
B) connective tissue between the atria and ventricles
C) interventricular septum
D) bundle of Purkinje fibers

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