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Indicate Which Ion Is Involved in Each Event Being Described

Question 164

Multiple Choice

Indicate which ion is involved in each event being described by using the following answer code.
-Parasympathetic stimulation increases the permeability of the SA node to _____, whereas sympathetic stimulation decreases the permeability to this same ion.


A) K+
B) Na+
C) Ca2+

Correct Answer:

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