Multiple Choice
Determine the impact if the connection between the sinoatrial (SA) node and the atrioventricular (AV) node becomes blocked.
A) The ventricles will contract more slowly.
B) The ventricular rhythm will not change.
C) The ventricles will contract more quickly.
D) The atria will contract more forcefully.
Correct Answer:
Verified
Correct Answer:
Verified
Q60: A damaged right bundle branch will prevent
Q61: Explain the benefit of anastomoses in coronary
Q62: The apex of the heart is situated
Q63: What do pacemaker cell action potentials lack?<br>A)threshold<br>B)depolarization<br>C)repolarization<br>D)plateau
Q64: What largely determines preload?<br>A)end-systolic volume (ESV)<br>B)end-diastolic volume
Q66: On an electrocardiogram (ECG),atrial repolarization is obscured
Q67: Summarize the two phases of the cardiac
Q68: Which of the following does NOT return
Q69: What is the function of the valves
Q70: Which valve is situated between the left