Cells of the sinoatrial node __________ during the pacemaker potential.
A) depolarize fast
B) depolarize slow
C) repolarize slow
D) repolarize fast
E) depolarize slow and repolarize fast

Question

Quizplus · Accepted Answer

Cells of the sinoatrial node depolarize slowly during the pacemaker potential due to the gradual influx of sodium and calcium ions, which leads to the threshold being reached and the initiation of an action potential.

Cells of the Sinoatrial Node __________ During the Pacemaker Potential