Multiple Choice
The function of the atrioventricular node is to
A) excite the left and right atrium
B) control the heart rate
C) prevent the atria and ventricles from contracting simultaneously
D) repolarize the heart after systole
E) none of these
Correct Answer:

Verified
Correct Answer:
Verified
Q46: With 2:1 rhythm, the atrial rate is
Q151: Complete each of the following statments.<br>A swishy
Q155: The aortic valve opens<br>A) when ventricular pressure
Q156: At rapid heart rates<br>A) Systole and diastole
Q157: The low-resistance pathway that permits electrical activity
Q167: Increased EDV results in decreased stroke volume,
Q180: Which of the following is not associated
Q208: Left-sided congestive heart failure can lead to
Q224: The addition of ACh to the SA
Q279: If the cardiac output is 4,800 ml/min