If the connection between the SA node and AV node becomes blocked,
A) the ventricles will beat faster.
B) the ventricles will beat more slowly.
C) the ventricular beat will remain unchanged.
D) cardiac output will increase.
E) all of the above

Question

Quizplus · Accepted Answer

If the connection between the SA node and AV node becomes blocked, a secondary pacemaker will initiate the heartbeat, which is likely to be slower than the SA node's pacemaker activity. Therefore, the ventricles will beat more slowly. The other options are not likely to happen in this scenario.

If the Connection Between the SA Node and AV Node