Multiple Choice
Match the factor involved in the initiation and spread of cardiac excitation, labelled a. through d. with the description. (Options may be used more than once or not at all.)
-has the fastest rate of pacemaker activity
A) SA node
B) AV node
C) bundle of His and Purkinje system
D) gap junction
Correct Answer:

Verified
Correct Answer:
Verified
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Q91: Use the answer code below to complete
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