Question 1
What is the significance of the plateau phase in cardiac action potential?
Question 2
What is the main role of cardiac myocytes?
Question 3
Which part of the heart's electrical system serves as the primary pacemaker?
Question 4
What is the resting potential of contractile myocytes?
Question 5
What triggers contraction in cardiac contractile myocytes?
Question 6
What happens during the plateau phase of an action potential in cardiac cells?
Question 7
What characterizes the action potential in pacemaker cells?
Question 8
Which ions are mainly responsible for the depolarization of pacemaker cells?
Question 9
How is calcium handled after a cardiac contraction?
Question 10
How frequently does the SA node typically generate impulses per minute?
Question 11
How do gap junctions contribute to cardiac function?
Question 12
What happens if the SA Node is damaged?
Question 13
Why does the heart have a long absolute refractory period?
Question 14
What role does the AV node play in cardiac conduction?
Question 15
What is the purpose of the sodium/potassium pump in cardiac cells?