The AV node
A) is the normal pacemaker of the heart
B) is the only electrical connection between the atria and the ventricles
C) rapidly conducts the impulse from the atria to the ventricles so that they contract simultaneously
D) is not innervated by the vagus nerve
E) has the slowest rate of depolarization in the heart
Correct Answer:
Verified
Q21: Fibrillation is the
A)backflow of blood throughout the
Q22: Which of the following ECG waves represents
Q28: The function of the ventricular conduction system
Q32: Why can't tetanus occur in the heart?
A)There
Q33: Extrasystole of the heart means that it
A)beats
Q34: Which is the normal sequence of the
Q36: The function of the atrioventricular node is
Q37: The fastest rate of autorhythmicity is normally
Q37: The QRS complex represents
A) depolarization of the
Q145: The volume of blood ejected from each
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