Cardiac Conduction - Unit 2 Quiz - Physiology
Plateau
Initiation
Depolarization
Repolarization
Potassium
Sodium
Chloride
Calcium
Depolarization
Tetanus
Refractory
Autorhythmic
Membrane potential returns to resting potential
Is associated with potassium outflow
Occurs before the plateau phase of the action potential
Tetanus (sustained muscle contraction)
Allows cardiac muscle to relax before contracting again
Allows ventricles to fill with blood during relaxation
Promotes effective blood flow
SA node-Purkinje fibers-AV node-AV bundle-bundle branches
SA node-AV node-Purkinje fibers-AV bundle-bundle branches
SA node-AV node-bundle branches-AV bundle-Purkinje fibers
SA node-AV node-AV bundle-bundle branches-Purkinje fibers
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