Tightening of the Stannius ligature between the atria and the ventricle can induce a complete heart block in a frog heart. During a complete heart block, _ .
A) the atria and ventricle beat independent of each other
B) there is a 2:1 ratio between atrial and ventricular contraction
C) there is a 1:1 ratio between atrial and ventricular contraction
Correct Answer:
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