Multiple Choice
The ion primarily responsible for depolarization in pacemaker cells is ______________,whereas the ion primarily responsible for this in other cardiac cells is _____________.
A) sodium; calcium
B) calcium; sodium
C) potassium; sodium
D) calcium; potassium
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q24: When left atrial pressure exceeds left ventricular
Q29: All cardiac veins empty into the _,
Q46: A stab wound into the heart can
Q50: The product of the stroke volume times
Q101: The volume of blood pumped during each
Q104: Afterload is<br>A) the name given to an
Q121: Action potentials pass from one myocardial cell
Q122: During hemorrhagic shock in which blood pressure
Q123: Regurgitation of blood flow through the aortic
Q143: If cardiac muscle cells are unable to