The initial depolarization that occurs in pacemaker cells is caused by closing of channels and opening of channels.
A)sodium : T- type calcium
B)potassium : T- type calcium
C)potassium : funny
D)sodium : funny
E)sodium : L- type calcium

Question

Quizplus · Accepted Answer

Potassium channels close and funny channels open, causing the initial depolarization in pacemaker cells.

The Initial Depolarization That Occurs in Pacemaker Cells Is Caused